| 摘要 |
PCT No. PCT/EP92/01497 Sec. 371 Date Jan. 10, 1994 Sec. 102(e) Date Jan. 10, 1994 PCT Filed Jul. 3, 1992 PCT Pub. No. WO93/01162 PCT Pub. Date Jan. 21, 1993.The invention provides the substantially geometrically pure cis-stereoisomeric form of a compound of formula (I) and the substantially geometrically and optically pure cis-stereoisomeric form of a compound of formula (II): <IMAGE> (I) <IMAGE> (II) wherein R1 is H or C1-C4 alkyl, together with processes for their preparation. The compounds are intermediates for the preparation of the antidepressant agent known as sertraline.
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