Taw qhia ntawm CAS: 4187-38-6|(R)-(+)-1-(4-Methylphenyl)ethylamine
(R)-1-(4-methylphenyl) ethylamine yog cov tshuaj tsis muaj xim tsis muaj kuab paug ntawm chav tsev kub.kuj hu ua R(-)-1-phenylethylamine, yog chiral amine muab los ntawm cov tshuaj tsw qab hydrocarbon phenylethane . Nws yog ib qho tshwm sim ib txwm muaj kab amine pom nyob rau hauv tib neeg lub cev, thiab tseem muaj nyob rau hauv ntau yam khoom noj thiab dej haus. R(-)-1-phenylethylamine tau ua ntau yam kev tshawb fawb txog kev tshawb fawb vim nws muaj ntau hom kev siv peev xwm hauv kev kho mob thiab biochemistry.
Specification of CAS: 4187-38-6|(R)-(+)-1-(4-Methylphenyl)ethylamine
|
Yam khoom |
SPECIFICATION |
|
Qhov ntom |
0.919 |
|
Boiling Point |
205ºC |
|
Melting Point |
<-20ºC |
|
Flash Point |
82ºC |
|
Refractive Index |
1.521 |
|
PSA |
26.02000 |
|
LogP |
2.71500 |
Kev Tshawb Fawb Daim Ntawv Thov CAS: 4187-38-6|(R)-(+)-1-(4-Methylphenyl)ethylamine
Enantioselective Synthesis thiab Chiral Resolution:
(R)-(+)-1-(4-Methylphenyl)ethylamine tau siv nyob rau hauv enantioselective synthesis thiab daws teeb meem txheej txheem. Ib txoj hauv kev daws teeb meem kom tau txais ob qho tib si (R)- thiab (S)-enantiomers ntawm cov khoom siv no siv cov kev daws teeb meem dielectrically (DCR) nrog (S)-mandelic acid ua tus neeg sawv cev daws teeb meem. Txoj kev no nyob ntawm cov kuab tshuaj dielectric tas li thiab cov ntsiab lus dej, qhia txog lub luag haujlwm ntawm cov kuab tshuaj molecular hauv chiral kev ntxub ntxaug (Sakai li al., 2004).
Enzymatic daws teeb meem rau kev tsim tshuaj tua kab mob:
Lub compound kuj tau siv nyob rau hauv enzymatic daws teeb meem nrog lipase los ntawm Candida antarctica (Novozym 435) rau zus tau tej cov tshiab triazolopyrimidine herbicide. Cov tshuaj tiv thaiv zoo tau pom, ua rau muaj kev hloov pauv siab thiab enantiomeric ntau dhau (Zhang li al., 2018).


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