[EN] STEREOSELECTIVE SYNTHESIS OF CERTAIN TRIFLUOROMETHYL-SUBSTITUTED OXIRANES [FR] SYNTHÈSE STÉRÉOSÉLECTIVE DE CERTAINS ALCOOLS SUBSTITUÉS PAR UN GROUPE TRIFLUOROMÉTHYLE
[EN] STEREOSELECTIVE SYNTHESIS OF CERTAIN TRIFLUOROMETHYL-SUBSTITUTED OXIRANES [FR] SYNTHÈSE STÉRÉOSÉLECTIVE DE CERTAINS ALCOOLS SUBSTITUÉS PAR UN GROUPE TRIFLUOROMÉTHYLE
STEREOSELECTIVE SYNTHESIS OF CERTAIN TRIFLUOROMETHYL-SUBSTITUTED ALCOHOLS
申请人:FANDRICK Daniel R.
公开号:US20110130578A1
公开(公告)日:2011-06-02
A process for stereoselective synthesis of a compound of Formula (X) or Formula (X′)
wherein:
R
1
is an aryl group substituted with one to three substituent groups,
wherein each substituent group of R
1
is independently C
1
-C
5
alkyl, C
2
-C
5
alkenyl, C
2
-C
5
alkynyl, C
1
-C
5
alkoxy, C
1
-C
5
alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, C
1
-C
5
alkoxycarbonylamino, aminosulfonyl, C
1
-C
5
alkylaminosulfonyl, C
1
-C
5
dialkylaminosulfonyl, halogen, hydroxy, carboxy, cyano, trifluoromethyl, trifluoromethoxy, nitro, or C
1
-C
5
alkylthio wherein the sulfur atom is oxidized to sulfoxide or sulfone, and
R
2
and R
3
are each independently hydrogen or C
1
-C
5
alkyl.
[EN] STEREOSELECTIVE SYNTHESIS OF CERTAIN TRIFLUOROMETHYL-SUBSTITUTED ALCOHOLS<br/>[FR] SYNTHÈSE STÉRÉOSÉLECTIVE DE CERTAINS ALCOOLS SUBSTITUÉS PAR UN GROUPE TRIFLUOROMÉTHYLE
申请人:BOEHRINGER INGELHEIM INT
公开号:WO2010141332A2
公开(公告)日:2010-12-09
A process for stereoselective synthesis of a compound of Formula (X) or Formula (X') : wherein: R1 is an aryl group substituted with one to three substituent groups, wherein each substituent group of R1 is independently C1-C5 alkyl, C2-C5 alkenyl, C2- C5 alkynyl, C1-C5 alkoxy, C1-C5 alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, C1-C5 alkoxycarbonylamino, aminosulfonyl, C1-C5 alkylaminosulfonyl, C1-C5 dialkylaminosulfonyl, halogen, hydroxy, carboxy, cyano, trifluoromethyl, trifluoromethoxy, nitro, or C1-C5 alkylthio wherein the sulfur atom is oxidized to sulfoxide or sulfone, and R2 and R3 are each independently hydrogen or C1-C5 alkyl.
[EN] STEREOSELECTIVE SYNTHESIS OF CERTAIN TRIFLUOROMETHYL-SUBSTITUTED OXIRANES<br/>[FR] SYNTHÈSE STÉRÉOSÉLECTIVE DE CERTAINS ALCOOLS SUBSTITUÉS PAR UN GROUPE TRIFLUOROMÉTHYLE