Preparation of cyclopentenones

Details Preparation of cyclopentenones Preparation of cyclopentenones

1991-03-04

1992-06-02

Reamer, James H.

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

Organic compounds

Oxygen containing

C07C 4545

Patent

active

051188643

ABSTRACT:
Cyclopentenones of the formula I ##STR1## where each of R.sup.1 to R.sup.4 is independently of the others hydrogen or an organic radical, are prepared by converting a carboxylic ester of the formula IIa, IIb or IIc

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