杂环化合物的环转化。XX †通过吡喃鎓盐与苯并[ e ]-和苯并[ g ]吲哚鎓盐的脱水碱进行的环转化,将苯并稠合的螺[环己二烯-二氢吲哚] ‡
摘要:
6芳酰基-3,5- diarylspiro的非对映选择性合成[环己-2,4-二烯1,2'2',3'-二氢-1' ħ苯并[E]吲哚] 6和-苯并[克[吲哚] 7由2,4,6-三芳基吡啶鎓高氯酸盐1并原位生成2-亚甲基-2,3-二氢-1 H-苯并[ e ]吲哚3或-苯并[ g ]吲哚5(相应的脱水碱基2-甲基-1 H-苯并[ e ]高氯酸吲哚鎓2和2-甲基-3 H-苯并[ g ]高氯酸吲哚鎓4据报道,在乙醇中三乙胺/乙酸存在下,通过2,5- [C 4 + C 2 ]吡啶鎓环转化。讨论了转化产物的光谱数据及其形成方式。
Ring transformations of heterocyclic compounds.<b>XX</b>Benzo-fused spiro[cyclohexadiene-dihydroindoles] by ring transformation of pyrylium salts with anhydrobases of benzo[<i>e</i>]- and benzo[<i>g</i>]indolium salts
作者:Thomas Zimmermann
DOI:10.1002/jhet.5570370435
日期:2000.7
um perchlorates 2 and 2-methyl-3H-benzo[g]indolium perchlorates 4, respectively) in the presence of triethylamine/acetic acid in ethanol by a 2,5-[C4+C2] pyrylium ringtransformation is reported. Spectroscopic data of the transformation products and their mode of formation are discussed.
6芳酰基-3,5- diarylspiro的非对映选择性合成[环己-2,4-二烯1,2'2',3'-二氢-1' ħ苯并[E]吲哚] 6和-苯并[克[吲哚] 7由2,4,6-三芳基吡啶鎓高氯酸盐1并原位生成2-亚甲基-2,3-二氢-1 H-苯并[ e ]吲哚3或-苯并[ g ]吲哚5(相应的脱水碱基2-甲基-1 H-苯并[ e ]高氯酸吲哚鎓2和2-甲基-3 H-苯并[ g ]高氯酸吲哚鎓4据报道,在乙醇中三乙胺/乙酸存在下,通过2,5- [C 4 + C 2 ]吡啶鎓环转化。讨论了转化产物的光谱数据及其形成方式。