Document Type and Number:
Japanese Patent JPS5545538
Kind Code:
B1
Abstract:
1355992 Cyclopentenone derivatives ROUSSEL UCLAF 30 April 1971 [30 April 1970] 12448/71 Heading C2C The invention comprises compounds of the formula where R1 is alkyl of 1-8 carbon atoms, R is H, acyl or α-tetrahydropyranyl and m is 3, 4 or 5. The compounds are prepared by cyclizing under basic conditions an enamine of the formula where represents the residue of a secondary amine to produce a compound of Formula I wherein R is H and, if desired, converting the compound so obtained into a compound of Formula I wherein R is acyl or α-tetrahydropyranyl.
Application Number:
JP2815171A
Publication Date:
November 18, 1980
Filing Date:
April 30, 1971
Export Citation:
International Classes:
C07C51/00; C07C69/74; C07C405/00; C07C62/38; C07D303/42; C07D309/12; C07D521/00; (IPC1-7): C07C69/757; C07C67/30; C07D309/12