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A facile synthesis and structure determination from 13c‐nmr spectroscopy of a novel heterocycle 1,1′‐ethylenebis[2,3,8,8a‐tetrahydro‐5,8a‐dimethyl‐1 H ‐imidazo[2,1‐c][1,4]thiazine], a case of transannular stabilization
Author(s) -
Tandon Santokh S.,
Larkworthy Leslie F.
Publication year - 1985
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570220253
Subject(s) - chemistry , nuclear magnetic resonance spectroscopy , carbon 13 nmr , spectroscopy , stereochemistry , combinatorial chemistry , computational chemistry , quantum mechanics , physics
The condensation of 4‐thiaheptane‐2,6‐dione with triethylenetetramine does not produce the macrocycle 1‐thia‐3,14‐dimethyl‐4,7,10‐13‐tetrazacyclopentadeca‐3,13‐diene; instead two molecules of the dione condense with one of the amine to give the title compound.