Technology Process of Cyclohexanone, 3-(2-phenylethyl)-, (R)-
There total 7 articles about Cyclohexanone, 3-(2-phenylethyl)-, (R)- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
phenethylmagnesium chloride;
With
Zn(OMe)2;
In
diethyl ether;
at 20 ℃;
for 1h;
cyclohexenone;
(R)-binaphthol-(S,S)-chiral phosphoramidite;
In
diethyl ether; toluene;
at -30 ℃;
for 20h;
Further stages.;
DOI:10.1021/ja710864p
- Guidance literature:
-
(Ra,S(C),S(C))-O,O'-[1,1'-binaphthyl-2,2'-diyl]-N,N-bis[1-phenylethyl]phosphoramidite; copper(II) bis(trifluoromethanesulfonate);
In
diethyl ether; toluene;
at -30 ℃;
for 20h;
Product distribution / selectivity;
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: Mg / tetrahydrofuran / 15 h / 60 °C
1.2: 91 percent / tetrahydrofuran / 34 h / 20 °C
2.1: 99 percent / Hantzsch ester / valine tert-butyl ester (R)-TRIP salt / dibutyl ether / 48 h / 60 °C
With
diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; magnesium;
valine tert-butyl ester (R)-TRIP salt;
In
tetrahydrofuran; dibutyl ether;
DOI:10.1021/ja065708d