Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Wei Wang"'
Autor:
Biming Mao, Xuefeng Li, Qijun Wang, Hongchao Guo, Wangyu Shi, Yongjun Wu, Jiaqing Xu, Wei Wang
Publikováno v:
Organic Letters. 22:2675-2680
The phosphine-catalyzed cascade Michael addition/[4+2] cycloaddition reaction of tetrahydrobenzofuranone-derived allenoates and 2-arylidene-1,3-indanediones has been reported, affording spirocyclic 1,3-indanedione derivatives in moderate to high yiel
Publikováno v:
Organic Letters. 21:6603-6607
Starting from the commercially available 4-bromoindole, a concise and efficient enantioselective formal synthesis of (+)-cycloclavine (1) in 13 steps with 2.0% overall yield and a total synthesis of (+)-5-epi-cycloclavine (2) in 14 steps with 3.3% ov
Publikováno v:
Organic letters. 22(15)
An unprecedented organocatalytic enantioselective [4 + 2] cycloaddition reaction of vinyl quinolines with dienals is achieved with the synergistic activation of CH3SO3H and a chiral aminocatalyst. The power of the process is demonstrated by its high
Autor:
Wangyu Shi, Yongjun Wu, Jiaqing Xu, Biming Mao, Qijun Wang, Wei Wang, Xuefeng Li, Hongchao Guo
Publikováno v:
Organic Letters. 23:6600-6600
Publikováno v:
Organic letters. 20(1)
An unprecedented chiral secondary amine-catalyzed formal [4 + 2] annulation of aldehydes and oxidation-generated β-unsubstituted o-QMs is reported. This asymmetric protocol allows direct functionalization of the benzylic C–H bonds and furnishes [4
Autor:
Jianzhong Yao, Zhenyuan Miao, Chunquan Sheng, Wei Wang, Shengzheng Wang, Jian Li, Hao Li, Yongqiang Zhang, Guoqiang Dong, Shanchao Wu, Wannian Zhang, Shiping Zhu
Publikováno v:
Organic letters. 15(21)
An unprecedented organocatalytic highly enantioselective approach to a 3,4-dihydro-2H-thiopyran scaffold with two contiguous stereogenic centers has been implemented through a formal thio [3 + 3] cycloaddition process involving a Michael–aldol cond