Catalog No.: SS132672 Nr
CAS Nr .: 1373432-09-7
Purity (HPLC): 97% Min
Khoom npe: BI-Dime
Cov mis mos molecular: C19H23O3P
Molecular Luj: 330.357881
Synonym(s):...
Khoom Taw Qhia
Ligands yog molecules lossis ions uas khi rau lub nruab nrab hlau atom lossis ion los ua kev sib koom tes ua ke. Hauv chemistry, ligls ua si ib lub luag haujlwm tseem ceeb hauv kev ua kom ruaj khov ntawm cov hlau, tswj cov tshuaj tiv thaiv tshuaj, thiab modulating cov khoom ntawm cov hlau tawv. Ligands tuaj yeem yog qhov yooj yim ions zoo li chloride (cl l) lossis cov ethylenediamine (en) thiab porphyrins. Lawv lub peev xwm los tswj hwm nrog cov hlau ua rau lawv tseem ceeb hauv catalysis, bioinorganic chemistry, cov khoom siv science, chaw muag tshuaj, thiab muaj cov txheej txheem tshuaj lom neeg. Ligands tuaj hauv ntau hom, suav nrog monodentate, bidentate, thiab polydentate, raws li tus lej ntawm cov nyiaj atoms lawv muaj.
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![BI -Dime 丨 CAS 1373432-09-7]()
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![4,4'-{2}}Bi-1,3-benzodioxole-5,5'-diylbis(diphenylphosphine) 丨 CAS 210169-54-3]()
4,4'-{2}}Bi-1,3-benzodioxole-5,5'-diylbis(diphenylphosphi...Catalog No.: SS132639 NrNtau
CAS Nr .: 210169-54-3
Purity (HPLC): 98% Min
Khoom npe: 4,4'-Bi-1,3-benzodioxole-5,5'-diylbis(diphenylphosphine)
Cov mis mos molecular: C38H28O4P2
Molecular Luj: 610.57
Synonym(s): (S)-SEGPHOS -
![(R)-3-(tert-Butyl)-4-(2,6-dimethoxyphenyl)-2,2-dimethyl-2,3-dihydrobenzo[d][1,3]oxaphosphole CAS 2634687-73-1]()
(R)-3-(tert-Butyl)-4-(2,6-dimethoxyphenyl)-2,2-dimethyl-2...Catalog No.: SS132471 NrNtau
CAS Nr .: 2634687-73-1
Purity: 97% Min
Khoom npe: (R)-3-(tert-Butyl)-4-(2,6-dimethoxyphenyl)-2,2-dimethyl-2,3-dihydrobenzo[d][1,3]oxaphosphole
Cov roj formula: C21H27O3P
Molecular Luj: 358.41 -
![1,2-Bis((R)-phenyl(o-tolyl)phosphino)ethane 丨 CAS 81157-90-6]()
1,2-Bis((R)-phenyl(o-tolyl)phosphino)ethane 丨 CAS 81157-90-6Catalog No.: SS132407 NrNtau
CAS Nr .: 81157-90-6
Purity: 98% Min
Khoom npe: 1,2-Bis((R)-phenyl(o-tolyl)phosphino)ethane
Cov mis mos molecular: C28H28P2
Molecular Luj: 426.5
Synonym(s):... -
![(R) -(6,6-Dimethoxy-1,1-biphenyl-2,2-diyl)bis (dicyclohexylphosphine) 丨 CAS 172617-14-0]()
(R) -(6,6-Dimethoxy-1,1-biphenyl-2,2-diyl)bis (dicyclohex...Catalog No.: SS132395 NrNtau
CAS Nr .: 172617-14-0
Purity: 95% Min
Khoom npe: (R) -(6,6-Dimethoxy-1,1-biphenyl-2,2-diyl)bis (dicyclohexylphosphine)
Cov roj formula: C38H56O2P2
Molecular Luj: 606.8
Synonym (s):... -
![(4S,5S)-1,3-Bis(2,2-diphenylethyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium Tetrafluoroborate CAS 1033618-41-5]()
(4S,5S)-1,3-Bis(2,2-diphenylethyl)-4,5-diphenyl-4,5-dihyd...Catalog No.: SS132328 NrNtau
CAS Nr .: 1033618-41-5
Purity: 97% Min
Khoom npe: (4S,5S)-1,3-Bis(2,2-diphenylethyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate
Cov mis mos molecular: C43H39BF4N2
Molecular Luj:... -
![7,9-Dimesityl-7H-acenaphtho1,2-dimidazol-9-ium Chloride 丨 CAS 1286737-75-4]()
7,9-Dimesityl-7H-acenaphtho1,2-dimidazol-9-ium Chloride 丨...Catalog No.: SS132293 NrNtau
CAS Nr .: 1286737-75-4
Purity: 97% Min
Khoom npe: 7,9-Dimesityl-7H-acenaphtho1,2-dimidazol-9-ium chloride
Cov mis mos molecular: C31H29ClN2
Molecular Luj: 465.03 -
![1,3-Dimesityl-4,5-dimethyl-1H-imidazol-3-ium Chloride 丨 CAS 1118916-80-5]()
1,3-Dimesityl-4,5-dimethyl-1H-imidazol-3-ium Chloride 丨 C...Catalog No.: SS132290 NrNtau
CAS Nr .: 1118916-80-5
Purity (NMR): 95% Min
Khoom npe: 1,3-Dimesityl-4,5-dimethyl-1H-imidazol-3-ium chloride
Cov mis mos molecular: C23H29ClN2
Molecular Luj: 368.95 -
![1,3-Bis(2,6-dibenzhydryl-4-methoxyphenyl)-1H-imidazol-3-ium Chloride 丨 CAS 1416368-03-0]()
1,3-Bis(2,6-dibenzhydryl-4-methoxyphenyl)-1H-imidazol-3-i...Catalog No.: SS132289 NrNtau
CAS Nr .: 1416368-03-0
Purity (NMR): 97% Min
Khoom npe: 1,3-Bis(2,6-dibenzhydryl-4-methoxyphenyl)-1H-imidazol-3-ium chloride
Cov mis mos molecular: C69H57ClN2O2
Molecular Luj: 981.68 -
![1,3-Bis(2,6-dibenzhydryl-4-methylphenyl)-1H-imidazol-3-ium Chloride 丨 CAS 1218778-19-8]()
1,3-Bis(2,6-dibenzhydryl-4-methylphenyl)-1H-imidazol-3-iu...Catalog No.: SS132284 NrNtau
CAS Nr .: 1218778-19-8
Purity: 95% Min
Khoom npe: 1,3-Bis(2,6-dibenzhydryl-4-methylphenyl)-1H-imidazol-3-ium chloride
Cov mis mos molecular: C69H57ClN2
Molecular Luj: 949.68
Synonym(s):... -
![1-Mesityl-2,2,4-trimethyl-4-phenyl-3,4-dihydro-2H-pyrrol-1-ium Tetrafluoroborate 丨 CAS 1671098-42-2]()
1-Mesityl-2,2,4-trimethyl-4-phenyl-3,4-dihydro-2H-pyrrol-...Catalog No.: SS132199 NrNtau
CAS Nr .: 1671098-42-2
Purity: 95% Min
Khoom npe: 1-Mesityl-2,2,4-trimethyl-4-phenyl-3,4-dihydro-2H-pyrrol-1-ium tetrafluoroborate
Cov roj formula: C22H28BF4N
Molecular Luj: 393.28 -
![1.3-Di (1-adaMantyl) iMidazoliniuM Tetrafluoroborate CAS 1176202-63-3]()
1.3-Di (1-adaMantyl) iMidazoliniuM Tetrafluoroborate CAS ...Catalog No.: SS132196 NrNtau
CAS Nr .: 1176202-63-3
Purity: 98% Min
Khoom npe: 1.3-Di (1-adaMantyl) iMidazoliniuM Tetrafluoroborate
Cov mis mos molecular: C23H37BF4N2
Molecular Luj: 428.3578928
![(R)-3-(tert-Butyl)-4-(2,6-dimethoxyphenyl)-2,2-dimethyl-2,3-dihydrobenzo[d][1,3]oxaphosphole CAS 2634687-73-1](/uploads/42644/small/r-3-tert-butyl-4-2-6-dimethoxyphenyl-2-2a9b00.png?size=380x0)
Cov khoom lag luam zoo thiab cov yam ntxwv
Peb tab tom nrhiav kev sib koom tes sib koom tes kom nthuav peb txoj kev lag luam.
Catalanicysic efficiency
Ligands ho txhim kho kev ua tau zoo ntawm kev ua haujlwm hlau-catalyzed los ntawm kev hloov pauv hluav taws xob lub xeev thiab cov kev hloov pauv kev hloov pauv.
Xaiv Tsa
Ligands tuaj yeem tsim los xaiv txoj kev khi cov hlau erions, tso cai rau kev tswj kom meej meej txog cov kev hloov pauv ntawm ob qho kev lag luam.
Versatility Hauv Kev Koom Tes Ua Haujlwm
Ligands daim ntawv sau cov lus nrog ntau yam hlau ions, ua rau lawv siv ntau yam tshuaj lom neeg, suav nrog oxidation, txo, thiab polymerization.
Cov Khoom Siv Hluav Taws Xob
Los ntawm kev hloov cov qauv ligand, cov kws kho mob tuaj yeem zoo-ua kom zoo, solubility, thiab kev ruaj khov ntawm cov ntawv tso quav hauv cov tshuaj thiab catalysis.
Kev lom roj ntsha
Ligands yog qhov tseem ceeb hauv kev siv hluav taws xob, xws li hemoglobin thiab chlorophyll, uas lawv pab thauj cov pa thiab nqus lub teeb lub zog, feem ntau.
Txhim kho solubility thiab ruaj khov
Ligands txhim kho cov solubility thiab qhov xwm txheej ntawm cov hlau ions hauv cov tshuaj, ua rau lawv yooj yim dua los daws cov txheej txheem muaj.
Khoom Yam
Monodentate Ligands
Cov neeg ligands muaj ib tus lej atom uas tswj hwm rau lub chaw hlau. Cov piv txwv suav nrog chloride (cl l), ammonia (NH3), thiab dej (H2o). Lawv tau dav siv nyob rau hauv kev ua haujlwm rau kev ua haujlwm rau kev ua haujlwm.
Bidily Ligands
Bidelate Ligands muaj ob tus neeg pub atoms, uas tso cai rau lawv los ua cov chelate ruaj khov nrog cov hlau ions. Ethylenediamine (en) thiab oxalate (c2o4²⁻) yog cov piv txwv.
Polydentate Ligands (Chelating Ligands)
Cov neeg ligands muaj ntau tus neeg pub nyiaj atoms uas tuaj yeem kho ib txhij khi rau lub chaw hlau, tsim kom muaj qhov ruaj khov dua. Piv txwv suav nrog edta (EthylenedInineNetraicetate) thiab Porphyrins.
Bridging liigands
Bridging liigands sib koom ua ke rau ob lossis ntau dua cov atoms matts, txuas lawv ua ke hauv ib qho nyuaj. Piv txwv li hydroxide (Oh⁻) thiab carbonate (col3²⁻).
Aphiance ligands
Aphiance Ligands muaj ob qhov chaw muaj peev xwm, tab sis lawv tsuas tuaj yeem sib koom ua ke los ntawm ib qho atom ib zaug. Ib qho piv txwv yog cov thiocyanate ion (scn⁻), uas tuaj yeem khi ntawm cov leej txiv leej lossis nitrogen.
MacRocyclici lig
Cov lus tshaj tawm no muaj cov qauv loj, nplhaib zoo li uas muaj peev xwm encapsulate hlau ions, muab kev ruaj ntseg tshwj xeeb. Yas ua neeg paub thiab cov neeg ua piv txwv yog piv txwv ntawm macricCyclic lig.
Daim ntawv thov ntawm cov khoom
1
Catalysis:Ligands tau siv dav hauv catalysis, tshwj xeeb hauv homogeneous catalysis, qhov uas lawv siv cov kab hlau sib txuas thiab cuam tshuam nrog cov kab mob hlau. Piv txwv suav nrog kev siv phosphine linands hauv palladium-catalyzed hla-txuas cov kev sib tshuam.
2
Kws Tshuaj:Nigands yog qhov tseem ceeb hauv kev txhim kho cov tshuaj ntaus hlau, xws li cisplatin rau kev kho mob cancer, qhov twg ligand modulates cov kev ua ub no thiab xaiv cov tshuaj.
3
Kev Koom Tes Ua Kev Sib Koom Tes:Ligands yog qhov tseem ceeb hauv kev ua kev sib haum ua ke cov complexes, uas yog siv nyob rau ntau yam tshuaj lom neeg, suav nrog cov hluavtaws thiab kev tsom xam.
4
Bioinorganic Chemistry:Ligands yog qhov tseem ceeb hauv kev siv hluav taws xob. Piv txwv li, porphyrin liigands hauv hemoglobin koom tes nrog hlau los ua kom cov pa oxygen nyob rau hauv cov hlab ntshav.
5
Kev Tshawb Fawb:Ligands tau siv nyob rau hauv kev tsim cov ntaub ntawv siab xws li cov hlau-organic-organic-organic-organic), uas muaj cov ntawv thov hauv cov roj av, sib cais, thiab catalysis.
6
Cov ntawv thov ib puag ncig:Ligands tau siv los ntes thiab tshem tawm cov hlau ions los ntawm cov dej khib nyiab thiab tsim cov sensors uas kuaj pom ib puag ncig uas yog cov hlau hnyav.
7
Cov khoom siv hluav taws xob thiab cov ntaub ntawv:Ligands tau siv nyob rau hauv synthesis ntawm hlau cov hlau rau organic teeb-emed dodes (oleds) thiab photovoltic hlwb, txhim kho kev ua haujlwm ntawm cov khoom siv hluav taws xob.
Cov khoom siv ntawm cov khoom
01/
Organic molecules:Ntau lub ligands tau muab los ntawm cov molecules, suav nrog phosphines, amines, thiab carboxylates. Cov nigands no yog synthesized rau cov hom phiaj tshwj xeeb, xws li kev txhim kho catalytic kev ua haujlwm lossis xaiv.
02/
Inorganic ions:Yooj yim inorganic ions, xws li chloride (cl l), cyanide (cn⁻), thiab sulfate (so4²⁻), ua haujlwm nyob rau hauv kev sib haum xeeb thiab kev sim tshuaj chemical.
03/
MacRocyclic qauv: MacRocyclicirs, zoo li cov kaus mom muaj kev pab cuam yam thiab cov pob zeb, yog tsim kom muaj kev ruaj khov thiab muaj qhov tshwj xeeb hauv catalysis thiab kev siv hluav taws xob.
04/
Phosphines: Phosphine Ligands, xws li Tripyenyfphine (PPH3), yog ib txwm siv nyob rau hauv cov khoom siv hluav taws xob vim lawv lub peev xwm hauv hluav taws xob thiab muaj peev xwm ua kom ruaj khov cov chaw hlau.
05/
Amines thiab Amides:Ligands muaj cov khoom pub muaj nitrogen atoms, xws li Ethylenedie thiab pyridine, yog qhov ua tau zoo ntawm stabilizing hloov hlau cov hlau nyuaj.
06/
Carboxylates:Carboxylate Ligands, xws li acetate (ch3coof), koom tes nrog cov hlau ions los ntawm cov oxygen tus oxygen pub anchistry thiab catalysis.
Txheej txheem ntau lawm lossis cov txheej txheem
Qhov synthesis ntawm ligands cuam tshuam nrog precise organic lossis inorganic chemistry, feem ntau ua raws li cov khoom siv hlau uas xav tau thiab cov ntawv thov xav tau thiab cov ntawv thov xav tau thiab cov ntawv thov xav tau thiab cov ntawv thov xav tau thiab cov ntawv thov xav tau thiab cov ntawv thov xav tau thiab cov ntawv thov xav tau. Ligands tau tsim los ua kom tau raws li cov cai tau ua, xws li tus lej atoms, yooj yim, thiab cov khoom hluav taws xob. Ua tib zoo xav txog cov kev xav tau, suav nrog qhov kub thiab txias, thiab cov hau kev ua kom huv, yog qhov tseem ceeb kom ua tiav cov kev ua kom zoo nrog kev ua tau zoo ib yam. Kev tswj kom zoo los ntawm cov txheej txheem spectroscopic zoo li NMR, thiab Cov Khoom Siv Loj uas tau ua tiav cov qauv kev nyab xeeb rau kev lag luam, chaw kuaj tshuaj, thiab kev siv khoom siv.
Cheebtsam ntawm cov khoom
Cov Nyiaj Pub Aoms
Ligands koom tes rau hlau ions ntawm cov nyiaj atoms, xws li nitrogen, oxygen, leej twg muab cov pa hluav taws xob los tsim kev sib koom tes sib haum.
Organic nraub qaum
Ntau cov neeg ligands muaj ib lub moj khaum organic, uas tuaj yeem cuam tshuam lawv cov khoom siv, solubility, thiab cov khoom siv khi. Piv txwv li cov pab pawg alkyl lossis aryl pawg hauv phosphine linands.
Yam ua haujlwm
Cov pab pawg ntxiv rau cov pab pawg neeg uas muaj zog ntxiv, xws li hydroxyl (-oh) lossis carboxyl (-cooh) pab pawg, txhim kho lawv cov kev cuam tshuam thiab solubility hauv ib qho chaw ib puag ncig.
Chelating moeties
Chelating Ligands muaj ntau cov nyiaj atoms uas tuaj yeem khi cov qauv siv hlau rau cov hlau hluav taws xob (chelate rings) uas txhim kho qhov ruaj ntseg ntawm cov hlau txoj kev.
MacRocyclic Rings
Qee cov ligands muaj cov qauv loj, xws li cov yas ntoo, porphyrins), uas muaj cov hlau ions, feem ntau siv hauv catalanytic thiab kev siv roj ntsha.
Kev Txij Nkawm thiab Kev Ceev Faj
1. Tsim nyog cia
Ligands yuav tsum muab khaws cia rau hauv cov thawv dej noo, lub teeb, thiab huab cua, tshwj xeeb yog organic thiab thiol-based ligands, yog rhiab rau oxidation.
2. Handling ceev faj
Ligands yuav tsum tau daws hauv cov chaw ua haujlwm hauv plab (xws li nyob rau hauv nitrogen lossis argon), tshwj xeeb yog cov neeg nkag siab huab cua lossis noo noo, txhawm rau tswj lawv cov kev cuam tshuam.
3. Anhydrous tej yam
Ntau yam ligand-hlau txoj kev sib txuam yuav tsum muaj cov xwm txheej kub nruj los tiv thaiv kev tsis xav tau hydrolysis lossis oxidation ntawm cov ligands thiab cov chaw hlau.
4. Kev Saib Xyuas Kev Ncaj Ncees
Ligands yuav tsum tau soj ntsuam ib ntus rau kev ua kom zoo li NMR lossis HPLC, tshwj xeeb tshaj yog thaum siv cov ntawv thov siab zoo ib yam li cov tshuaj lossis catalizerysyn.
5. Cov kuab haum sib raug zoo
Nco ntsoov tias ligands yog yaj nyob rau hauv cov kuab tshuaj uas tsis cuam tshuam nrog lawv cov haujlwm lossis kev ruaj khov nyob hauv cov tshuaj lom neeg.
Tuam txhab ua hauj lwm zoo
Peb tsom kwm ntawm kev ua tau zoo & Cov Neeg Siv Khoom
Peb muab kev pab kom xa cov khoom lag luam zoo thiab kev pabcuam cov neeg siv khoom tshwj xeeb tshaj qhov kev cia siab.
Ntau Yam Khoom Ntau
Catalop ntawm tshaj 27, {000 Cov tshuaj rau kev lag luam ntau yam, muab ob qho kev daws teeb meem tshwj xeeb.
Kev lag luam kev lag luam muaj zog
Peb pab neeg uas muaj ntau yam uas muaj cov kev taw qhia, nyob tam sim no nrog txoj kev lag luam qauv kom xa cov tshuaj lom neeg zoo rau koj cov kev xav tau.
Kev sib tw nqi & kev ntseeg tau
Kev sib tw nqi thiab txhim khu kev qha kom ua kom muaj txiaj ntsig zoo, ua tau zoo cov saw hlau tsis muaj kev sib cuam tshuam zoo.
Yuav ua li cas sib koom ua ke nrog peb
Kev sib koom tes nrog leapchem muab rau koj nkag mus rau cov kev tshaj lij ntawm cov tuam txhab ua nrog 18 xyoo kev paub hauv kev lag luam tshuaj. Peb muab tshaj 27, {{{2} Cov tshuaj estical tshuaj uas raug txiav kom tau sib ntsib ntau yam sib txawv. Tag nrho peb cov khoom ua raws li cov qauv kev lag luam thiab muaj nrog cov ntawv pov thawj tsim nyog.
Peb koom tes nrog ntau yam ntawm cov neeg koom tes, suav nrog:
• Kev Tshawb Nrhiav Chaw soj ntsuam
• Cov tuam txhab ua lag luam
• Cov Tshuaj Pleev Cov Tshuaj Plua Khaub Ncaws
• Electronics manufacturers
• Cov Tshuaj Siv Rau Tshuaj
• Cov tsev kawm qib siab thiab tsev kawm qib siab thoob ntiaj teb
• Thiab ntxiv.
Peb tshwj xeeb hauv kev pab peb cov neeg tau pom cov tshuaj lom neeg kom haum rau lawv cov kev xav tau. Ib qho ntxiv, peb muab cov kev cai synthesis kom tau raws li qhov xav tau tshwj xeeb ntawm peb cov neeg koom tes. Txawm hais tias koj xav tau ntau qhov ntau rau cov txheej txheem kev muaj lossis cov khoom me me rau cov ntawv thov tshwj xeeb, peb tau txais koj.
Yog tias koj tab tom nrhiav lub cev khoom siv tswj tau zoo, peb yuav zoo siab tau hnov los ntawm koj. Thov xa koj cov lus nug lossis cov ntsiab lus qhia rau sales@leapchem.com. Peb cov neeg ua haujlwm tshaj lij yog xav ua haujlwm nrog koj thiab pab ua tiav koj cov hom phiaj.
Cov FAQ
Q: Dab tsi yog ligands hauv chemistry?
A: Ligands yog molecules lossis ions uas khi rau lub nruab nrab hlau atom rau daim ntawv coordination complection, kws tshuaj, thiab bioinorganic chemistry.
Q: Ua li cas ligands khi rau cov hlau?
A: Ligands khi cov hlau los ntawm cov nyiaj atoms, uas muab cov khub ntawm cov hluav taws xob los txhawm rau tsim kev sib koom tes nrog cov hlau chaw.
Q: Dab tsi yog monodentate liigand?
A: ib tug monodentate ling muaj ib tus neeg pub nyiaj atom uas tswj tau rau ib qho kev sib koom tes sib txuas lus yooj yim.
Q: Dab tsi yog chelating liigand?
A: Ib tug chelating liigand muaj ntau tus neeg pub nyiaj atoms uas tuaj yeem tsim ntau tshaj ib tus khub rau cov hlau hlau, tsim lub nplhaib ruaj khov zoo li chelates.
Q: Dab tsi yog qee cov khoom ligands siv hauv catalysis?
A: Cov neeg ligands hauv catalysis suav nrog phosphines (piv txwv li, pph3), amines (piv txwv li, thiab macrocyclicihmine
Q: Dab tsi yog qhov tseem ceeb ntawm ligands hauv biology?
A: Hauv kev siv hluav taws xob, ligands, xws li porphayrins, ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm zoo li oxygen thauj (hemoglobin) thiab photorymthesis (choporophyl).
Q: Ligands raug hloov kho rau cov ntawv thov tshwj xeeb?
A: Yog, Ligands tuaj yeem raug tshuaj ua kom hloov kho lawv cov khoom siv khi, xaiv cov khoom siv tshwj xeeb, tshuaj, lossis cov ntawv thov catalytic.
Q: Dab tsi yog unidentate ligands?
A: Dolidentate Ligands muaj ob lub peev xwm thaiv cov chaw tab sis tsuas tuaj yeem khi ntawm ib tus neeg pub nyiaj atom ntawm ib lub sijhawm, xws li thiocyanate ion (scn⁻).
Q: Vim li cas mactrocyclici sigands muaj zog dua?
A: MacRocyclici tsim ntau ruaj khov hlau ua vim lawv lub nplhaib-nyiam qauv, uas encapsulates tus hlau ion, muab cov khoom ruaj khov.
Q: Lub luag haujlwm yog dab tsi yog ligands ua si hauv cov tshuaj chothericaltical?
A: Ligands tau siv los tsim cov tshuaj siv hlau-raws li thiab cuam tshuam lawv cov haujlwm, tsom rau cov txheej txheem kev lom zem lossis kab mob.
Q: Dab tsi yog qhov sib txawv ntawm polydentate thiab bidonnate Ligands?
A: Bidentate Ligands muaj ob tus neeg pub nyiaj atoms uas khi rau ib hlau, thaum polydentate ligands muaj ntau tshaj ob, sib sau txawm tias ntau ruaj khov nyuaj.
Q: Yuav ua li cas cov kev xyuam xim yuav tsum tau coj thaum tuav lingands?
A: Kov ligands nyob rau hauv cov kev mob inert, khaws lawv kom yog, thiab siv cov kuab tshuaj thiab cov tshuaj tiv thaiv tsim nyog los tiv thaiv cov kev cuam tshuam lossis tsis muaj kev cuam tshuam.
Q: Ligands siv tau rau hauv ib puag ncig cov ntawv thov?
A: Yog, Ligands tau siv rau hauv kev ua haujlwm rau ib puag ncig los tshem cov hlau hnyav los ntawm cov dej khib nyiab thiab hauv cov sensors los xyuas cov pa paug.
Q: Dab tsi yog lub luag hauj lwm ntawm phosphine nigands hauv catalysis?
A: Phosphine Ligands yog dav siv nyob rau hauv kev hloov cov hlau hluav taws xob vim lawv muaj peev xwm pub hluav taws xob thiab siv hluav taws xob hlau zoo li hla kev sib txuas.
Q: Dab tsi yog cov byproducts ntawm ligand-hlau cov tshuaj tiv thaiv?
A: Broproducts ntawm ligand-hlau kev tiv thaiv sib txawv tab sis feem ntau suav nrog ntsev, lossis cov khoom lag luam uas tsim thaum lub sijhawm sib koom ua ke.
Peb nyob nraum zoo-lub npe hu ua ib qho ntawm cov coj Ligands cov chaw tsim khoom thiab cov muag khoom hauv Suav teb. Peb sov siab txais tos koj rau lag luam wholesale pheej yig ligands los ntawm peb lub hoobkas. Tiv tauj peb rau kev pabcuam kev cai.
Cov Khoom Nrov
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![1, {{1-} carbonydiaimidazole 丨 CAS 530-62-1]()
1, {{1-} carbonydiaimidazole 丨 CAS 530-62-1CAS TSIS MUAJ.: 530-62-1Ntau
Assay (t): 98% min
Khoom npe: 1, 1-} carbondiimidazole
Cov Lus Txhais (s): 1, {1-... -
![Palladium 丨 cas 7440-05-3]()
Palladium 丨 cas 7440-05-3CAS TSIS MUAJ.: 7440-05-3Ntau
Purity / qib: 10% PD / C nyob rau hauv qhuav.
Khoom npe: Palladium
Txhais tau... -
![N, n-daimethylformamide Duethyl acetal 丨 cas 4637-24-5]()
N, n-daimethylformamide Duethyl acetal 丨 cas 4637-24-5CAS TSIS MUAJ.: 4637-24-5Ntau
Assay: 98% min
Khoom npe: n, n-dimethylformamide dimethyl acetal
Cov Lus Txhais... -
![Aluminium olide 丨 cas 1344-28-1]()
Aluminium olide 丨 cas 1344-28-1CAS TSIS MUAJ.: 1344-28-1Ntau
Purity: 99.99% min; Nruab nrab particle loj: 50nm
Khoom npe: Aluminium... -
![Tetrakis (tripyenylphosphine) palladium 丨 cas 14221-01-3]()
Tetrakis (tripyenylphosphine) palladium 丨 cas 14221-01-3CAS TSIS MUAJ.: 14221-01-3Ntau
Purity: 99% Min PD: 9.2% min
Khoom npe: Tetrakis (Tripyenylphosphy)... -
![Alpha-arbutin 丨 cas 84380-01-8]()
Alpha-arbutin 丨 cas 84380-01-8CAS TSIS MUAJ.: 84380-01-8Ntau
Purity: 99.5% min.
Khoom npe: alpha-arbutin
Cov Lus Txhais (s): {{4-... -
![N-iodosuccinimide 丨 cas no 516-12-1]()
N-iodosuccinimide 丨 cas no 516-12-1CAS TSIS MUAJ.: 516-12-1Ntau
Purity / qib: 98. 0}% min
Khoom npe: n-iodosuccinimide
Cov Lus Txhais (s): {{1-... -
![Octadecanetiol 丨 cas no 2885-00-9]()
Octadecanetiol 丨 cas no 2885-00-9CAS TSIS MUAJ.: 2885-00-9Ntau
Assay (GC): 98. 00}% min
Khoom npe: Octadecanetiol
Kev sib tham (s): n-octadecyl...
Xa kev nug