Prostaglandin intermediates and processes for preparation of pro

Details Prostaglandin intermediates and processes for preparation of pro Prostaglandin intermediates and processes for preparation of pro

1975-01-06

1977-03-08

Sutto, Anton H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603409, 260514D, C07D31908

Patent

active

040112420

ABSTRACT:
Preparation of prostaglandins and certain intermediates therefor wherein a 1,5-diene compound such as ##STR1## IS SUBJECTED TO A PHOTOCHEMICAL CHEMICAL REACTION IN THE PRESENCE OF A PHOTOSENSITIZER WHEREBY TO EFFECT RING CLOSURE WITH THE CONVERSION TO A BICYCLO [2.1.1] SYSTEM FOLLOWED BY CONVERSION TO INTERMEDIATES SUCH AS ##STR2## The resulting intermediate is subsequently fragmented to produce a further intermediate having stereochemistries such as are present in prostaglandins which, in turn, is converted by known techniques into prostaglandins.

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