Search

Your search keyword '"Ma, Jun"' showing total 3 results
3 results on '"Ma, Jun"'

1. ChemInform Abstract: Cyclic Aldimines as Superior Electrophiles for Cu-Catalyzed Decarboxylative Mannich Reaction of β-Ketoacids with a Broad Scope and High Enantioselectivity.

Author

Zhang, Heng‐Xia, Nie, Jing, Cai, Hua, and Ma, Jun‐An

Subjects
*ASYMMETRIC synthesis, *DECARBOXYLATION, *MANNICH reaction, *ALDIMINES, *KETONIC acids, *HETEROCYCLIC compounds, *CARBON-carbon bonds, *PHASE-transfer catalysis
Abstract

A new catalytic enantioselective decarboxylative Mannich reaction of β-ketoacids with cyclic and acyclic aldimines is presented. [ABSTRACT FROM AUTHOR]

Published
2014
Full Text
View/download PDF

2. ChemInform Abstract: Highly Enantioselective Decarboxylative Mannich Reaction of Malonic Acid Half Oxyesters with Cyclic Trifluoromethyl Ketimines: Synthesis of β-Amino Esters and anti-HIV Drug DPC 083.

Author

Yuan, Hai‐Na, Li, Shen, Nie, Jing, Zheng, Yan, and Ma, Jun‐An

Subjects
*CARBOXYLATES, *MANNICH reaction, *MALONIC acid, *TRIFLUOROMETHYL compounds, *IMINES, *CHEMICAL synthesis, *ENANTIOMERS
Abstract

DPC 083 (X) is prepared in 5 steps starting from the enantiomer of Va. [ABSTRACT FROM AUTHOR]

Published
2014
Full Text
View/download PDF

3. ChemInform Abstract: Hydrogen-Bond-Directed Enantioselective Decarboxylative Mannich Reaction of β-Ketoacids with Ketimines: Application to the Synthesis of anti-HIV Drug DPC 083.

Author

Yuan, Hai‐Na, Wang, Shuai, Nie, Jing, Meng, Wei, Yao, Qingwei, and Ma, Jun‐An

Subjects
*HYDROGEN bonding, *ENANTIOSELECTIVE catalysis, *MANNICH reaction, *KETONIC acids, *IMINES, *QUINAZOLINONES, *SACCHARIDES
Abstract

This is the first hydrogen-bond-directed enantioselective decarboxylative Mannich reaction of β-ketoacids with ketimines affording quinazolinone derivatives with quaternary stereocenters in high yields and with excellent enantioselectivities using saccharide-based amino-thiourea organocatalysts. [ABSTRACT FROM AUTHOR]

Published
2013
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results