C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/235.01, 260/
C07D 307/32 (2006.01) C07C 405/00 (2006.01) C07D 307/33 (2006.01) C07F 7/18 (2006.01)
Patent
CA 1091664
Abstract of The Disclosure Prostaglandin type compounds of the formula Image where X is CH2-CH2, CH=CH is or C?C; Y is CH2 or 0; Q is 0 or (CH3)2C; Z is H, OH, CH3 or CH2OH and R is a linear, branched or cyclo alkyl chain of 3 to 7 carbon atoms, are prepared by essen- tially a one-step reaction from a new intermediate of the formula Image where R represents a linear, branched or cyclo alkyl group of 3 to 7 carbon atoms; Q is O or (CH3)2C; P is a removable protective group; Z is H, OP,CH3 or CH2OP and R' is H. The intermediate is useful in making known and new PGEs useful as antihypertensives, gastric acid secretion inhibitors and smooth muscle stimulants.
269070
Ishizuka Naoyasu
Nakamoto Hiromasa
Pernet Andre G.
Abbott Laboratories Limited
Macrae & Co.
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