Carbon‐13 n.m.r. investigation on the nitrogen methylation of the mono‐ and diazanaphthalenes | Zendy

van de Weijer Peter | Zendy; Mohan Chandra | Zendy; van den Ham Dirk M. W. | Zendy

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Carbon‐13 n.m.r. investigation on the nitrogen methylation of the mono‐ and diazanaphthalenes

Author(s) -

van de Weijer Peter,

Mohan Chandra,

van den Ham Dirk M. W.

Publication year - 1977

Publication title -

organic magnetic resonance

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0030-4921

DOI - 10.1002/mrc.1270100137

Subject(s) - protonation , methylation , nitrogen , cinnoline , chemistry , nitrogen atom , carbon fibers , medicinal chemistry , organic chemistry , materials science , biochemistry , group (periodic table) , gene , ion , composite number , composite material

The 13 C n.m.r. spectra of the N ‐methylated mono‐ and diazanaphthalenes have been recorded and analysed. It has been shown that N ‐methylation as well as N ‐protonation in cinnoline occur predominantly at the β‐nitrogen atom. N ‐methylation and N ‐protonation show a similar effect on the 13 C chemical shifts.

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