The dual alkylation of the C(sp3)–H bond of cyclic α-methyl-N-sulfonyl imines via the sequential condensation/hydride transfer/cyclization process

2020 ◽  
Vol 7 (23) ◽  
pp. 3868-3873
Author(s):  
Kejin Yuan ◽  
Fengying Dong ◽  
Xiangcong Yin ◽  
Shuai-Shuai Li ◽  
Liang Wang ◽  
...  
Keyword(s):  
Hydride Transfer ◽  
Cyclization Process

The dual alkylation of the C(sp3)–H bond of the cyclic α-methyl-N-sulfonyl imine has been achieved through the piperidine-promoted cascade condensation/[1,5]-hydride transfer/cyclization from cyclic α-methyl-N-sulfonyl imine and o-aminobenzaldehyde in trifluoroethanol.

A tandem annulation with a [1,3]-hydride transfer as the key step leading to isochromans

2017 ◽  
Vol 53 (77) ◽  
pp. 10652-10655 ◽  
Author(s):  
Yingwei Wang ◽  
Guangxun Li ◽  
Hongxin Liu ◽  
Zhuo Tang ◽  
Yuan Cao ◽  
...  
Keyword(s):  
Hydride Transfer ◽  
Cyclization Process

The first [1,3]-hydride transfer/cyclization process for oxacarbenium isomerization.

Expedient Synthesis of 1,4‐Benzodiazepines via a Tandem Condensation/[1,5]‐Hydride Transfer/Cyclization Process

2018 ◽  
Vol 360 (21) ◽  
pp. 4094-4098 ◽  
Author(s):  
Siyuan Liu ◽  
Tuan Zhao ◽  
Jingping Qu ◽  
Baomin Wang
Keyword(s):  
Hydride Transfer ◽  
Cyclization Process

Lewis acid catalyzed formation of 3-amino-3-carboxy-tetrahydroquinoline derivatives via tandem 1,5-hydride transfer/cyclization process

Tetrahedron ◽  
2013 ◽  
Vol 69 (34) ◽  
pp. 7019-7025 ◽  
Author(s):  
Wen-Yong Han ◽  
Jian Zuo ◽  
Zhi-Jun Wu ◽  
Xiao-Mei Zhang ◽  
Wei-Cheng Yuan
Keyword(s):  
Lewis Acid ◽  
Hydride Transfer ◽  
Cyclization Process ◽  
Acid Catalyzed

Catalyst-free construction of spiro [benzoquinolizidine-chromanones] via a tandem condensation/1,5-hydride transfer/cyclization process

2020 ◽  
Vol 18 (43) ◽  
pp. 8839-8843
Author(s):  
Siyuan Liu ◽  
Hang Wang ◽  
Baomin Wang
Keyword(s):  
Hydride Transfer ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Hydride Shift ◽  
Cyclization Process ◽  
Free Construction

A highly efficient and quite mild protocol to achieve spiro [benzoquinoline-chromanones] through a catalyst-free condensation/[1,5]-hydride shift/6-endo cyclization sequence was developed.

ChemInform Abstract: Lewis Acid Catalyzed Formation of 3-Amino-3-carboxy-tetrahydroquinoline Derivatives via Tandem 1,5-Hydride Transfer/Cyclization Process.

ChemInform ◽  
2013 ◽  
Vol 44 (50) ◽  
pp. no-no
Author(s):  
Wen-Yong Han ◽  
Jian Zuo ◽  
Zhi-Jun Wu ◽  
Xiao-Mei Zhang ◽  
Wei-Cheng Yuan
Keyword(s):  
Lewis Acid ◽  
Hydride Transfer ◽  
Cyclization Process ◽  
Acid Catalyzed

Engaging 2-methyl indolenines in a tandem condensation/1,5-hydride transfer/cyclization process: construction of a novel indolenine–tetrahydroquinoline assembly

2018 ◽  
Vol 5 (20) ◽  
pp. 3008-3012 ◽  
Author(s):  
Siyuan Liu ◽  
Wenzhu Zhang ◽  
Jingping Qu ◽  
Baomin Wang
Keyword(s):  
Hydride Transfer ◽  
Cyclization Process

An efficient BF3·Et2O-catalyzed diastereoselective tandem condensation/1,5-hydride transfer/cyclization strategy for the synthesis of a novel indolenine–tetrahydroquinoline assembly was reported.

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