92990-86-8Relevant academic research and scientific papers
PHOTOCHROMISM. SYNTHESIS AND PROPERTIES OF INDOLINOSPIROBENZOTHIOPYRANS
Arakawa, Sei'ichi,Kondo, Hirofumi,Seto, Jun'etsu
, p. 1805 - 1808 (2007/10/02)
Novel photochromic compounds, indolinospirobenzothiopyrans, were prepared and their properties in polymer films were examined.The absorption bands of the colored form lie around 100 nm deeper in the long-wave region of the spectrum than are the case with the common spiropyrans.
