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Your search keyword '"Chen, Wan-Qin"' showing total 12 results
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12 results on '"Chen, Wan-Qin"'

11. A Catalyst-Free, Convenient Construction of Eight-Membered [1,4]Oxazocane-5,8-dione Heterocycles from Aminoethanols with Divinyl Succinate.

Author

Chen, Wan-Qin, Zhang, Qing-Yi, Liu, Bo-Kai, Wu, Qi, and Lin, Xian-Fu

Subjects
*HETEROCYCLIC compounds, *ETHANOLAMINES, *RING formation (Chemistry), *SUCCINATES, *LACTONES
Abstract

A convenient protocol for the synthesis of [1,4]oxazocane-5,8-dione heterocycles by direct cyclization using 2-substituted aminoethanols and divinyl succinate without any catalysts and additives was established. This strategy is quite simple and effective to obtain eight-membered rings incorporating lactone and lactam functional groups. [ABSTRACT FROM AUTHOR]

Published
2008
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12. A Novel Protocol for Selective Construction of Morpholin-2-one and Morpholin-3-one Heterocycles from Aminoethanol with Divinyl Fumarate.

Author

Zhang, Qing-Yi, Xu, Jian-Ming, Chen, Wan-Qin, Wu, Qi, and Lin, Xian-Fu

Subjects
SOLVENTS, ETHANOL, HETEROCYCLIC compounds, CATALYSTS, CHEMICAL reactions
Abstract

A simple and efficient method for selective construction of morphlin-2-one and morphlin-3-one heterocyclic derivatives has been developed from N-substituted aminoethanols and divinyl fumarate. The selectivity of this catalyst-free reaction was easily controlled by different solvents. [ABSTRACT FROM AUTHOR]

Published
2008
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