Steroid total synthesis process utilizing asymmetric induction

Details Steroid total synthesis process utilizing asymmetric induction Steroid total synthesis process utilizing asymmetric induction

1975-09-24

1977-03-08

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603974, 2603975, 2603459, 260476C, 260488CD, 260590FA, C07J 1700

Patent

active

040112110

ABSTRACT:
A multi-step, stereospecific total synthesis of steroids is disclosed. The starting materials for this process are the relatively inexpensive and readily available m-alkoxy aceto-phenones. The process is suitable for the preparation of racemic or optically active, medicinally valuable steroids, particularly A-ring aromatic steroids. This process features an early optical resolution and a unique asymmetric induction which insures the correct stereochemistry of the final steroidal product.

REFERENCES:
douglas et al., J. Chem. Soc. (London) 1963 pp. 5072-5094.

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