Method and intermediates for preparing 2-alkoxy and...

Details Method and intermediates for preparing 2-alkoxy and... Method and intermediates for preparing 2-alkoxy and...

2011-03-08

2011-03-08

Saucier, Sandra (Department: 1651)

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing a...

C552S502000, C552S632000

Reexamination Certificate

active

07901904

ABSTRACT:
The present invention relates to a method for preparing 2-alkoxy and 2-aryloxyestrogen compounds, and the intermediate compounds prepared during the use of this method, which intermediate compounds are useful intermediates in the preparation of certain physiologically active compounds.

REFERENCES:
patent: WO 98/40398 (1998-09-01), None
Metcalf et al. Tetrahedron Lett. (1980) 21: 15-18.
Rao, P. Narasimha et al: “Synthesis of 2-hydroxy-17.beta.-estradiol” 1960, Tetrahedron, 10, 144-7.
Database HCAPLUS [Online] Chemical Abstracts Service, Columbus, Ohio, US; 1960, Axelrod, L. R. et al: “Synthesis of 2-hydroxy-17.beta.-estradiol”, Chem & Pharm. Bull. (1972) 20(7): 1417-23.
Database HCAPLUS [Online] Chemical Abstracts Service, Columbus, Ohio, US; 1972, Yoshizawa, Itsuo et al: “Reactivity of two hydroxyl groups of catechol estrogen”, Chem & Industry (1959) 1454-5.

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