13 C NMR spectra of thiophenes. III—Bromothiophenes | Zendy

Sone Tyo | Zendy; Fujieda Kunimi | Zendy; Takahashi Kensuke | Zendy

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13 C NMR spectra of thiophenes. III—Bromothiophenes

Author(s) -

Sone Tyo,

Fujieda Kunimi,

Takahashi Kensuke

Publication year - 1975

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.1270071111

Subject(s) - substituent , bromine , spectral line , chemistry , chemical shift , nmr spectra database , coupling constant , carbon 13 nmr , stereochemistry , medicinal chemistry , computational chemistry , organic chemistry , physics , particle physics , astronomy

The 13 C NMR spectra of all bromo substituted thiophenes have been obtained at 15·085 MHz. 13 C signal assignments for monobromothiophenes have been confirmed by comparison with the spectra of their partially deuteriated derivatives; a revision is made for the assignment in 3‐bromothiophene. The substituent effect of bromine is generally additive for the 13 C chemical shifts. The substituent effect on various types of 13 C, 1 H coupling constants is also obtained and discussed.

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