An o-Iminothioquinone: Its Cycloaddition To Produce an Indologlycoside and Its Self-Dimerization To Form a Dithio-Diazocycloctane, the Structure Assignment of Which Is Based on the DFT Prediction of Its IR Spectrum
摘要:
An unusual heterodiene, an indolothiono quinone, undergoes cycloaddition with a glycal to form an indole-N-glycoside. A novel dimer of the indolothionoquinone is assigned its structure on the basis of a match between its predicted and observed IR spectrum.
Directed Lithiation of 1-(tert-Butoxycarbonyl)indolines. A Convenient Route to 7-Substituted Indolines
作者:Masatomo Iwao、Tsukasa Kuraishi
DOI:10.3987/com-92-5993
日期:——
1-(tert-Butoxycarbonyl)indolines were regioselectively lithiated at 7-position with s-BuLi-TMEDA in ether or TBF at -78-degrees-C. The lithiated species were reacted with a range of electrophiles to give 7-substituted indoline derivatives.