Aryl ketals of polycyclic oxo compounds and processes

Details Aryl ketals of polycyclic oxo compounds and processes Aryl ketals of polycyclic oxo compounds and processes

1975-06-09

1976-08-03

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31744

Patent

active

039728960

ABSTRACT:
The intermediates and processes of this disclosure provide a new stereo-specific total synthesis of steroidal materials having known valuable pharmacological properties. A fundamental feature of this disclosure is the utilization of aryl ketals, preferably phenylenedioxy ketals derived from catechol as protective groups for oxo moieties in the polycyclic intermediates used in the aforesaid total synthesis.

REFERENCES:
patent: 3655695 (1972-04-01), Andrews
patent: 3816536 (1974-06-01), Eder et al.

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