Tetrahydrooxocrinine methine (XLIII) has been synthesized by a sequence of reactions including ring enlargement of a tetralone (XXXVI) to a seven-membered nitrogenous ring compound (XXXVIII) by the use of Schmidt reaction.
通过一系列反应,包括利用施密特反应将四氢
萘酮(XXXVI)扩环为七元氮环化合物(XXXVIII),合成了四氢氧杂
喹啉甲烷(XLIII)。