作者:Sharmila.K. Thakur、Bhaskar.D. Hosangadi
DOI:10.1016/0040-4020(96)00416-4
日期:1996.6
Unsaturated side chains have been introduced in benzopyran site of parent indolinospiropyran moiety using Wittig reaction under conditions of Phase Transfer Catalysis in a one pot synthesis. The resultant unsaturated photochromic indolinospirobenzopyrans show significant bathochromic shift in the uv region of absorption spectra.
在单罐合成中,在相转移催化的条件下,使用Wittig反应将不饱和侧链引入母体吲哚螺并吡喃部分的苯并吡喃位点。所得的不饱和光致变色吲哚并螺苯并吡喃在吸收光谱的uv区显示出显着的红移。