Spiropyrans and spirooxazines. 3. Synthesis of photochromic 5′-(4,5-diphenyl-1,3-oxazol-2-yl)-spiro[indoline-2,3′-naphtho[2,3-b]pyran]
作者:N. A. Voloshin、A. V. Chernyshev、A. V. Metelitsa、I. M. Raskita、E. N. Voloshina、V. I. Minkin
DOI:10.1007/s11172-005-0308-2
日期:2005.3
The reaction of 2-hydroxy-3-(4,5-diphenyl-1,3-oxazol-2-yl)-1-naphthaldehyde with 1,2,3,3-tetramethyl-3H-indolium perchlorate afforded photochromic spiro[indoline-2,3′-naphthopyran] containing a 4,5-diphenyloxazole group in position 5′ of the naphthopyran fragment. The merocyanine form of the spiropyran gave complexes with bivalent heavy cations.
2-羟基-3-(4,5-二苯基-1,3-恶唑-2-基)-1-萘醛与1,2,3,3-四甲基-3H-吲哚高氯酸盐反应得到光致变色螺[二氢吲哚] -2,3'-萘并吡喃]在萘并吡喃片段的5'位含有4,5-二苯基恶唑基团。螺吡喃的部花青形式与二价重阳离子形成复合物。