2,6,7-trisubstituted-3-methylenebicyclo(3.3.0)-octanes, and proc

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

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556443, 556445, 556446, 568 15, 568 28, 568 31, 568 33, 568374, 568591, 568665, 560256, 549214, 549421, 549475, C07F 708, C07F 718

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052833496

ABSTRACT:
A 2,6,7-trisubstituted-3-methylenebicyclo-[3.3.0]octane of formula (I) or an enantiomer thereof, or a mixture of these in an arbitrary ratio. The compound is a key intermediate for preparation of isocarbacyclins which are useful as medicines for the circulatory system such as an antithrombotic agent, an antilipidemic agent, a hypotensive agent or an antiarterosclerotic agent.

REFERENCES:
patent: 4346041 (1982-08-01), Aristoff
patent: 4359581 (1982-11-01), Skuballa et al.
patent: 4505905 (1985-03-01), Boswell et al.
patent: 4554363 (1985-11-01), Vorbrueggen
patent: 4644068 (1987-02-01), Shibasaki et al.
patent: 4681951 (1987-07-01), Shibasaki et al.
The Journal of the Chemical Society, Chemical Communications, No. 23, Aug. 1984, pp. 1602-1603.
Chemical Abstracts, vol. 103, No. 25, Feb. 1985, p. 871.

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