Process for the preparation of 2-(7-hydroxyalkyl)-4R, 4S or 4RS

Details Process for the preparation of 2-(7-hydroxyalkyl)-4R, 4S or 4RS Process for the preparation of 2-(7-hydroxyalkyl)-4R, 4S or 4RS

1978-09-11

1979-07-03

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260456P, 560106, 560121, 568667, C07C 4500

Patent

active

041599985

ABSTRACT:
Disclosed is an improved process for the preparation of 2-(7-hydroxyalkyl)-4R, 4S or 4RS -hydroxy-cyclopent-2-enone corresponding to the formula ##STR1## wherein m is an integer from 2 to 4. The compounds prepared by this process are useful as precursors in the preparation of carbinol PGE.sub.1 analogues having utility as bronchodilators and inhibitors of gastric secretion.

REFERENCES:
patent: 3773622 (1973-11-01), Sih
Kluender et al., Tetra. Letters, No. 24, p. 2063 (1977).
Sih et al., "J.A.C.S.", vol. 95, p. 1676 (1973).
Sih et al., "J.A.C.S.", vol. 96, p. 865, (1975).

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