An expedient synthesis of 3-alkylideneoxindoles by Ti(O Pr)4/pyridine-mediated Knoevenagel condensation
摘要:
3-Alkylideneoxindoles have been prepared in excellent yields from oxindole and carbonyl compounds via an in situ generated titanium enolate of oxindole. (Z)-3-Alkylideneoxindoles could be synthesized selectively as major products from unsymmetrical ketones. (C) 2014 Elsevier Ltd. All rights reserved.
An expedient synthesis of 3-alkylideneoxindoles by Ti(O Pr)4/pyridine-mediated Knoevenagel condensation
作者:Hyun Ju Lee、Jin Woo Lim、Jin Yu、Jae Nyoung Kim
DOI:10.1016/j.tetlet.2013.12.097
日期:2014.2
3-Alkylideneoxindoles have been prepared in excellent yields from oxindole and carbonyl compounds via an in situ generated titanium enolate of oxindole. (Z)-3-Alkylideneoxindoles could be synthesized selectively as major products from unsymmetrical ketones. (C) 2014 Elsevier Ltd. All rights reserved.