Sonogashira Coupling Reactions of Bromomaleimides: Route to Alkyne/cis-Alkene/Alkyl Maleimides: Synthesis of Luffarin X and Cacospongionolide C
摘要:
Palladium-catalyzed Sonogashira coupling reaction of bromomaleimides with a diverse range of terminal alkynes has been demonstrated to furnish the corresponding alkynylmaleimides in very good yields. This coupling reaction followed by selective reduction of the triple bond to single bond have been utilized as the decisive steps to accomplish the first total synthesis of natural products (+/-)-luffarin X and (+/-)-cacospongionolide C.
An unexpected metal-free DMAP catalyzed Michael addition–elimination domino reaction between 2-naphthols and bromomaleimides for the effective construction of 3-arylmaleimides
作者:Yong Zhang、Feng Chen、Yu Yang、Chao-Zhe Tang、Fang Tian、Lin Peng、Li-Xin Wang
DOI:10.1016/j.tetlet.2016.02.016
日期:2016.3
An unexpected novel DMAP catalyzed Michael addition–elimination domino reactionbetween 2-naphthols and bromomaleimides has been reported. This protocol features metal-free catalysis and mild reaction conditions, which furnished 3-arylmaleimides in moderate to excellent yields (25–89% yields).
Et3N-Promoted Tandem Cyclization of Bromomaleimides with Active Methylene Compounds: An Efficient Synthesis of cis-3,4-Dihydropyrrolidine-2,5-diones
作者:Mengyao Li、Yinghong Zhu、Haibin Wang、Wanli Chen
DOI:10.1055/s-0039-1690098
日期:2019.8
The Et3N-promoted tandem cyclization of bromomaleimides with activemethylenecompounds is presented, providing an efficient method for the synthesis of cis-3,4-dihydropyrrolidine-2,5-diones in moderate to good yields under mild conditions.
A mild synthesis of N-functionalised bromomaleimides, thiomaleimides and bromopyridazinediones
作者:Lourdes Castañeda、Zoë V.F. Wright、Cristina Marculescu、Trang M. Tran、Vijay Chudasama、Antoine Maruani、Elizabeth A. Hull、João P.M. Nunes、Richard J. Fitzmaurice、Mark E.B. Smith、Lyn H. Jones、Stephen Caddick、James R. Baker
DOI:10.1016/j.tetlet.2013.04.088
日期:2013.7
Bromomaleimides are useful building blocks in synthesis and powerful reagents for the selective chemical modification of proteins. A mild new synthesis of these reagents is described, along with the convenient transferability of the approach to dithiomaleimides and bromopyridazinediones. (c) 2013 The Authors. Published by Elsevier Ltd. All rights reserved.
Anschuetz, Justus Liebigs Annalen der Chemie, 1928, vol. 461, p. 168
作者:Anschuetz
DOI:——
日期:——
Auwers, Justus Liebigs Annalen der Chemie, 1896, vol. 292, p. 233