A 1,3-DIOXANYL THROMBOXANE A2 ANTAGONIST

摘要

The invention concerns the novel racemic and laevorotatory optically active forms of the thromboxane A2 antagonist 5(Z)-7-([ 2,4,5-cis]-4-o-hydroxyphenyl-2-trifluoromethyl-1,3-dioxan-5-yl)heptenoic acid of formula I, their salts, pharmaceutical compositions, and processes for their manufacture and intermediates therefor. The pharmaceutical agents and their compositions are of value in certain pulmonary and/or vascular disorders.