Control of the thermalcistotransisomerizations of azobenzene and thioindigo derivatives by the formation of supramolecular H‐bonded assemblies
作者:
Jacqueline Rosengaus,
Itamar Willner,
期刊:
Journal of Physical Organic Chemistry
(WILEY Available online 1995)
卷期:
Volume 8,
issue 1
页码: 54-62
ISSN:0894-3230
年代: 1995
DOI:10.1002/poc.610080111
出版商: John Wiley&Sons Ltd.
数据来源: WILEY
摘要:
Abstract2,3‐Bis(aminocyclohexyl)−6‐methoxy‐1,3,5‐triazine (1a) forms intermolecular H‐bonded complexes with 3,3′‐diacetyl‐cis‐azoenzene (4) and 6,6′‐diethoxy‐cis‐thioindigo (5b), (association constants K = 4.9 × 104and 3.5 × 1051 mol−1, respectively). The thermalcis→transisomerization of 4b and 5b to 3,3′‐diacetyl‐trans‐azobenzene (4a), and 6,6′‐diethoxy‐trans‐thioindigo (5a), is inhibited in the intermolecular complex 1a–4b and 1a–5b. Molecular mechanics calculations support the formation of the inte
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