Cov lus qhia
| Zog: | Lub teeb daj rau daj rau cov kua xim av |
| Purity (GC): | 99% min |
| Kev txheeb xyuas - IR: | Ua raws li lub hom phiaj sib txuas |
| Chiral purity: | 99% min |
| Piv txwv: | 98% min |
| Cov ntsiab lus dej: | 0.5% max |
Cov Ntawv Thov
1.1 chairal tsev thaiv hauv cov khoom siv hauv nruab nrog cev
Cov compound no yog ib chairal carboxylic acid uas ua cov serochemically txhais ua ntej ua ntej hauv cov synthesis.
Nquag siv hauv kev tsim kho ntawm cov nyom molecules hauv tshuaj thiab zoo tshuaj lom neeg tshuaj synthesis nyob qhov twg chairs.
1.2 Nruab nrab hauv cov kws tshawb fawb
Siv nyob rau hauv synthesis ntawm cov khoom xyaw tshuaj muaj zog (APIs) lossis chairal auxilies.
Tshwj xeeb cuam tshuam nrog NSAIDs, Prostaglandin analogs, lossis lwm yam kev sib tw molecules uas muaj cyclohexenyl moami.
1.3 asymmetric catalysis thiab ligand tsim
Cov kev ua txij thaum pib cov khoom pib rau kev tsim chairal ligands lossis cov neeg saib xyuas hauv enantioselectivity catalysist, pab kom ua tiav siab stereoselectivity nyob rau hauv cov kev hloov pauv ntawm hlau-catalyzed lossis orgocatalyzed kev tawm tsam.
1.4 Cov Khoom Siv thiab Polymer Chemistry
Qhov sib xyaw ua ke ntawm cov qauv kev coj ua ke nrog cov qauv thiab cov roj teeb carboxylic acid ua rau nws muaj txiaj ntsig zoo rau cov neeg muaj kev sib ntxiv ntawm cov monomers lossis cov khoom sib ntxiv hauv cov ntaub ntawv tshwj xeeb.
Cov txiaj ntsig
2.1 enantiomerically daim foos
Qhov (s) - (-) muab kev tswj cov khoom siv hluav taws xob hauv hluavtaws lossis cov khoom lag luam zoo nkauj, tseem ceeb rau kev txhim kho roj ntsha hauv kev tsim cov tshuaj.
2.2 Ntau yam ntse reactivity
Cov molecule muaj ob qho tib si carboxylic acid pab pawg thiab ib qho kev sib khi ob, muab ntau cov ntsiab lus ntawm kev ua haujlwm (piv txwv li cov khoom siv, hydrogenation, lossis halogenation).
2.3 Cov Khoom Siv Siv Me Me
Raws li ib tug me, tsis yog-volatile, khoom siv acid, yog ib txwm yooj yim los lis, purify, thiab khw, ua rau nws zoo rau lub rooj ntev zaum-ntsuas thiab kev siv cov ntawv thov.
2.4 Txhim kho kev xaiv nyob rau hauv synthesis
Siv cov kab sib txuas no tuaj yeem txhim kho diastereeostrivity thiab enantioselectivity nyob rau hauv ntau cov organic kev hloov pauv thiab txo qhov xav tau cov kauj ruam daws teeb meem.
Tag
(S) - (-) - 3-cyclohexenecarboxylic acid (CAS 5708-19-0) yog cov ntawv thov tshiab chiral, cov tshuaj asymmetric catalysis, thiab tshuaj lom neeg. Nws cov lus tau hais tseg zoo (s) -configuration, nrog rau cov pab pawg ua haujlwm ua haujlwm, ua rau nws muaj txiaj ntsig zoo thiab ua tau zoo sib xyaw ua ke. Raws li kev thov rau enantiopure cov tshuaj paus thiab catalysts tseem tshuav, cov compound no ua lub luag haujlwm tseem ceeb hauv kev tsim cov txheej txheem hluavtaws muaj zog.
Cim npe nrov: (s) - (-) - 3-cyclohexenecarboxylic acid are)
