Isomerisation of equilin

Details Isomerisation of equilin Isomerisation of equilin

1996-11-06

1998-04-14

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Cyclopentanohydrophenanthrene ring system containing

552630, C07J 100

Patent

active

057393630

ABSTRACT:
The invention relates to a method of isomerisation of equilin or a characterized in that equilin or a derivative thereof is treated with a lithium salt of ethylenediamine or with lithium amide in dimethylsulfoxide.

REFERENCES:
patent: 5395831 (1995-03-01), Gemmill, Jr. et al.
E. Ayanoglu et al., Tetrahedron, 35:13:1591-1594, 1978.
J.C. Jacquesy et al., Comptes Rendus Hebdomadaries des Seances de L'Academie des Sciences Chimiques, 274:10:969-971, 1972.
J. Jacqusy et al., C.R. Acad. Sc. Paris, 274:10:969-971, 1972, France.
E. Ayanogglu et al., Tetrahedron, 35:1591-1594, 1979, Great Britain.

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