CATALYTIC PROCESS FOR THE PREPARATION OF THIAZOLE DERIVATIVES

A process for the preparation of a compound of formula (I) wherein Q is CH or N; Y is NO2 or CN; Z is CHR3, O, NR3 or S; R1 and R2 are C1-C8 alkyl or together form an alkylene bridge having two or three carbon atoms; by reacting a compound of formula H2C=C(X)CH2NCS wherein X is a leaving group, with...

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Main Authors DESPONDS OLIVIER, RAPOLD THOMAS, GRESSLY REMY, PASSAFARO MARCO, FABER DOMINIK
Format Patent
LanguageEnglish
Polish
Published 15.11.2004
Edition7
Subjects
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Abstract A process for the preparation of a compound of formula (I) wherein Q is CH or N; Y is NO2 or CN; Z is CHR3, O, NR3 or S; R1 and R2 are C1-C8 alkyl or together form an alkylene bridge having two or three carbon atoms; by reacting a compound of formula H2C=C(X)CH2NCS wherein X is a leaving group, with a chlorinating agent in the presence of a catalytic amount of SO2. to form a compound of formula (III) and the compound of formula (III) is reacted with a compound of formula R1NHC(=QY)ZR2 wherein R1, R2, Y, Z and Q are as defined for compound (I).
AbstractList A process for the preparation of a compound of formula (I) wherein Q is CH or N; Y is NO2 or CN; Z is CHR3, O, NR3 or S; R1 and R2 are C1-C8 alkyl or together form an alkylene bridge having two or three carbon atoms; by reacting a compound of formula H2C=C(X)CH2NCS wherein X is a leaving group, with a chlorinating agent in the presence of a catalytic amount of SO2. to form a compound of formula (III) and the compound of formula (III) is reacted with a compound of formula R1NHC(=QY)ZR2 wherein R1, R2, Y, Z and Q are as defined for compound (I).
Author RAPOLD THOMAS
DESPONDS OLIVIER
FABER DOMINIK
GRESSLY REMY
PASSAFARO MARCO
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Snippet A process for the preparation of a compound of formula (I) wherein Q is CH or N; Y is NO2 or CN; Z is CHR3, O, NR3 or S; R1 and R2 are C1-C8 alkyl or together...
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SubjectTerms APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
Title CATALYTIC PROCESS FOR THE PREPARATION OF THIAZOLE DERIVATIVES
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