PREPARATION OF PYRAZOLINES OF ENHYDRIN AND A STUDY OF THEIR PYROLYTICAND PHOTOLYTIC BEHAVIOR

Citation
Nr. Krishnaswamy et al., PREPARATION OF PYRAZOLINES OF ENHYDRIN AND A STUDY OF THEIR PYROLYTICAND PHOTOLYTIC BEHAVIOR, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 34(11), 1995, pp. 997-999
Citations number
3
Categorie Soggetti
Chemistry Inorganic & Nuclear
ISSN journal
03764699
Volume
34
Issue
11
Year of publication
1995
Pages
997 - 999
Database
ISI
SICI code
0376-4699(1995)34:11<997:POPOEA>2.0.ZU;2-3
Abstract
The epimeric pyrazolines 2 and 3 of the sesquiterpene lactone enhydrin (1) have been prepared. Pyrolysis of the major pyrazoline (2) gives t he stereomeric ethylidene-gamma-lactones 4 and 5, while the photolysis of 2 yields the cyclopropyl product 6.