Method for manufacturing prostaglandin analogue

Details Method for manufacturing prostaglandin analogue Method for manufacturing prostaglandin analogue

2005-08-01

2008-01-22

Puttlitz, Karl (Department: 1621)

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

Organic compounds

Carboxylic acids and salts thereof

C568S379000, C568S838000

Reexamination Certificate

active

07321057

ABSTRACT:
The present invention provides a new method for manufacturing a prostaglandin analogue having one or more keto groups on the 5-membered ring and/or omega chain, which comprises the step of treating a corresponding hydroxyl group containing compound with a co-oxidizer under the presence of a tetramethylpyperidine-1-oxyl derivative to form the desired prostaglandin analogue. The method of the invention can be carried out easily under relatively mild conditions.

REFERENCES:
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patent: 5221763 (1993-06-01), Ueno et al.
patent: 5739161 (1998-04-01), Ueno
patent: 6242485 (2001-06-01), Ueno
Bulletin of the Chemical Society of Japan (2004), 77(9), 1745-1755, CAS online [retrieved May 23, 2007] from STN, Columbus, OH, USA.
Chemical Safety, 2-Iodoxybenzoic Acid; J.B.Plumb, D. J. Harper; Chem Eng. News, Jul. 16, 1990 p. 3.

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