劳森试剂 、
5'-amino-2'-(4-methoxyphenyl)-4a'H-spiro[cyclohexane-1,4'-thieno[2,3-d][1,3,2]thiazaphosphinine]-6'-carboxylic acid 2'-sulfide 以
苯 为溶剂,
反应 10.0h,
以53%的产率得到4,11-bis(4-methoxyphenyl)-4,11-bis(sulfanylidene)spiro[5-oxa-8,12-dithia-3,10-diaza-4λ5,11λ5-diphosphatricyclo[7.4.0.02,7]trideca-2(7),9-diene-13,1'-cyclohexane]-6-one