ethyl 3-(4-oxo-7-phenylmethoxy-8-propyl-4H-1-benzopyran-2-yl)-2-propenoate 在
钯 作用下,
以
溶剂黄146 为溶剂,
70.0 ℃
、45.96 MPa
条件下,
以to give 1.3 g of the title compound as an oil的产率得到ethyl 3-(3,4-dihydro-7-hydroxy-8-propyl-2H-1-benzopyran-2-yl)propanoate
Use of substituted dihydrobenzopyrans for allergy and inflammation
申请人:G. D. Searle and Company
公开号:US04888356A1
公开(公告)日:1989-12-19
The invention relates to compounds of the formula: ##STR1## which are useful as leukotriene D.sub.4 (LTD.sub.4) inhibitors and therefore useful in the treatment of allergies and inflammatory conditions.