| Literature DB >> 17745588 |
Abstract
Useful theories and models of the color and constitution of unsaturated organic compounds have been sought for more than a century. The promises of quantum chemistry have not yet been realized satisfactorily. The polymethine concept, a modern chemical theory of constitution, is an auspicious development.Entities:
Year: 1978 PMID: 17745588 DOI: 10.1126/science.199.4334.1163
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728