摘要
合成了八个新的含吡喃翁端基的不对称三甲川染料,通过元素分析,IR光谱及1H-NMR谱确证了这些化合物的结构。最大吸收波长在630-680nm,有大的半峰宽。
Some new asymmetric trimethine dyes containing pyrylium end group were synthesized andcharcterized by elemental analysis,IR and ̄1H NMR spectroscopy,The dyes absorb in the regionof 660 to 680nm with large half peak width.
出处
《化学研究与应用》
CAS
CSCD
1995年第1期37-40,共4页
Chemical Research and Application