Production of cyclopentenone derivatives

Details Production of cyclopentenone derivatives Production of cyclopentenone derivatives

1982-05-11

1987-05-12

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

558253, 558248, 564446, 564305, 568 42, 568347, 548556, 546232, 546301, 546257, 546339, 546334, 546223, 544174, 549 66, 549488, 549 75, C07D27910, C07D26530, C07C 8502, C07C 8750

Patent

active

046651748

ABSTRACT:
A process for preparing cyclopentenone derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl or lower alkenyl, R.sup.2 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, substituted or unsubstituted aryl or substituted or unsubstituted ar(lower)alkyl and A is the residue of a nucleophilic agent from which a hydrogen atom is excluded, which comprises reacting a 3-hydroxy-4-cyclopentenone compound of the formula: ##STR2## wherein R.sup.1 and R.sup.2 are each as defined above with a nucleophilic agent of the formula

REFERENCES:
patent: 4347386 (1982-08-01), Saito et al.
patent: 4352756 (1982-10-01), Takisawa et al.
patent: 4356326 (1982-10-01), Saito et al.
patent: 4398043 (1983-08-01), Saito et al.
Noller, Textbook of Organic Chemistry, W. B. Saunders Co., Philadelphia, 1966, p. 163.

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