C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/352.7
C07D 493/18 (2006.01)
Patent
CA 1214175
ABSTRACT OF THE DISCLOSURE A process for the preparation of the compound, (1a,2B,3B,4a)-cis-exo-7-oxabicyclo-[2.2.1]heptane 2,3- dimethanol carbonate of the formula Image by cyclizing a compound of the formula Image The prepared compound is useful as an intermediate in the synthesis of a compound of the formula Image wherein A is OCOCl, O-protecting group or CN and B is OH or OCOO alkyl. The latter compounds are useful in the preparation of 7-oxabicycloheptane prostaglandin derivatives which are useful, for example, in the treatment of thrombolytic disease, such as coronary or cerebral thromboses.
492654
Das Jagabandhu
Haslanger Martin F.
Osler Hoskin & Harcourt Llp
Squibb (e.r.) & Sons Inc.
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