Hangzhou Leap Chem Co., Ltd. yog ib qho ntawm cov tuam txhab tshaj lij thiab cov neeg muag khoom ntawm bis (diphenylphosphino) methane 丨cas 2071-20-7 hauv Suav teb. Txais tos rau cov lag luam wholesale bulk zoo tshuaj cov khoom ntawm kev sis tw nqi los ntawm peb lub hoobkas. Yog tias koj muaj lus nug txog kev pabcuam kev cai, thov koj xa email rau peb.
Specifications
| Qhov tshwm sim | Dawb rau tawm -dawb khoom |
| Purity (HPLC) | 98% min |
| H-NMR, P-NMR | Ua raws |
| Solvent | 0.5% max |
Daim ntawv thov
Bis (diphenylphosphino) methane (dppm) feem ntau yog siv los ua ligand hauv homogeneous catalysis rau ntau yam kev hloov pauv -hlau- catalyzed cov tshuaj tiv thaiv, suav nrog hydrogenation, hydroformylation, carbon-carbon coupling, thiab cycloaddition txheej txheem. Nws cov xwm txheej bidentate enables tsim cov chelate ruaj khov complexes nrog hlau xws li palladium, platinum, rhodium, thiab npib tsib xee, uas yog dav siv nyob rau hauv cov tshuaj synthesis, zoo tshuaj, thiab cov ntaub ntawv chemistry. Tsis tas li ntawd, dppm yog siv rau hauv kev tshawb fawb organometallic los kawm txog kev sib cuam tshuam ntawm hlau-ligand, hluav taws xob cuam tshuam, thiab kev siv hluav taws xob tsis zoo hauv catalysis. Lub ligand tseem ua haujlwm ua lub tsev thaiv rau ntau cov phosphine-raws li ligands thiab kev sib koom ua ke hauv ob qho tib si kev kawm thiab kev lag luam.
Cov txiaj ntsig
Cov txiaj ntsig tseem ceeb ntawm bis (diphenylphosphino) methane suav nrog nws lub peev xwm chelating muaj zog thiab muaj peev xwm ua kom cov chaw hlau ruaj khov, uas txhim kho catalytic efficiency thiab xaiv. Tus choj methylene nruj tuav lub kaum sab xis tom, tso cai rau kev sib koom ua ke geometry hauv cov hlau complexes. Nws solubility nyob rau hauv cov organic solvents yooj yim tuav thiab koom ua ke rau hauv catalytic systems. Dppm kuj yog thermally ruaj khov thiab muaj tshuaj lom neeg, ua rau nws sib xws nrog ntau hom tshuaj tiv thaiv. Los ntawm kev kho cov khoom siv hluav taws xob thiab cov khoom tsis zoo los ntawm kev hloov pauv ntawm phenyl rings, nws tuaj yeem ua kom zoo rau cov kev siv catalytic tshwj xeeb, muab ntau yam hauv kev tsim qauv thiab kev tsim kho.
Xaus
Bis (diphenylphosphino) methane yog ntau yam bidentate phosphine ligand feem ntau siv hauv homogeneous catalysis, organometallic synthesis, thiab kev sib koom ua ke chemistry. Nws muaj zog chelation, ruaj khov hlau complex tsim, thiab cov khoom siv hluav taws xob tunable ua rau nws yog ib qho tseem ceeb hauv kev lag luam thiab kev tshawb fawb daim ntawv thov. Raws li kev thov loj hlob rau cov khoom siv tau zoo thiab xaiv cov hlau-catalyzed transformations, cov ligand no tseem yog ib qho tseem ceeb ntawm cov khoom siv hluavtaws niaj hnub no.
Cim npe nrov: Bis (diphenylphosphino) methane 丨cas 2071-20-7, Tuam Tshoj bis (diphenylphosphino) methane 丨cas 2071-20-7 manufacturers, lwm tus neeg, Hoobkas
