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8 results on '"Che, Xin"'

3. Diethyl Phosphite Promoted Electrochemical Oxidation of Tetrahydroisoquinolines to 3,4-Dihydroisoquinolin-1(2 H)-ones.

Author

Xie, Wenxia, Gong, Bowen, Ning, Shulin, Liu, Nian, Zhang, Zhuoqi, Che, Xin, Zheng, Lianyou, and Xiang, Jinbao

Subjects
TETRAHYDROISOQUINOLINES, OXIDATION, UNIT cell
Abstract

A diethyl phosphite mediated electrochemical oxidation strategy for the synthesis of 3,4-dihydroisoquinolin-1(2 H)-ones from tetrahydroisoquinolines under mild conditions has been developed. This protocol provides an environmentally friendly and simple way for the construction of C=O bonds in an undivided cell unit. [ABSTRACT FROM AUTHOR]

Published
2019
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4. Electrochemical Regioselective Bromination of Electron-Rich Aromatic Rings Usingn Bu4 NBr.

Author

Xie, Wenxia, Ning, Shulin, Liu, Nian, Bai, Ya, Wang, Shutao, Wang, Siyu, Shi, Lingling, Che, Xin, and Xiang, Jinbao

Subjects
FUNCTIONAL groups, BROMINATION, BROMIDES
Abstract

Electrochemical regioselective bromination of electron-rich aromatic rings using stoichiometric tetrabutylammonium bromide (n Bu4 NBr) has been accomplished under mild conditions. This protocol provides an environmentally friendly and simple way for the construction of C–Br bond in moderate to high yields with wide functional group tolerance. [ABSTRACT FROM AUTHOR]

Published
2019
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8. Synthesis of 7,8,9-Trisubstituted Dihydropurine Derivatives via a ‘tert-Amino Effect’ Cyclization.

Author

Che, Xin, Zheng, Lianyou, Dang, Qun, and Bai, Xu

Subjects
*HYDROGEN transfer reactions, *RING formation (Chemistry), *IMINES, *HETEROCYCLIC compounds, *HYDROGEN shift reactions
Abstract

7,8,9-Trisubstituted dihydropurine derivatives were prepared from 5-amino-4-(N,N-disubstituted)aminopyrimidines and aromatic aldehydes via a cascade of reactions. The key transformation for the reaction is a [1,6]-hydrogen shift due to a ‘tert-amino effect’. [ABSTRACT FROM AUTHOR]

Published
2008
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