Cyclization substrates, cyclization process and related 11.beta.

Details Cyclization substrates, cyclization process and related 11.beta. Cyclization substrates, cyclization process and related 11.beta.

1978-10-23

1980-09-16

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26039745, 2603975, 568630, 568633, C07J 500, C07C 509

Patent

active

042229405

ABSTRACT:
There are disclosed substrates of the formula: ##STR1## wherein: (a) R.sub.1 is H or C.sub.1 -C.sub.4 alkyl;

REFERENCES:
Journal of the American Chem. Soc., Feb. 18, 1976. pp. 1038-1041.
Chim. Ther. 8 No. 4 (1973) pp. 451-454 Article by Boulanger et al.
Experientia 26/7 (1970) pp. 762-763, Article by Baran et al.

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