๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

The chemistry of phenalenium system. VI. Some derivatives of pyranylidenephenalene.

โœ Scribed by Ichiro Murata; Tomoo Nakazawa; Shin'ichi Tada

Book ID
104248486
Publisher
Elsevier Science
Year
1971
Tongue
French
Weight
212 KB
Volume
12
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

The fulvalenes containing a phenalene fragment such as (1) are of interest because of their electronic characteristics distinct from the normal mixed fulvalenes (2).

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The chemistry of phenalenium systems. XX
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In 1953, Clar 2) suggested that so-called Clar's hydrocarbon, triangulene (I), would be impossible to prepare because no Kekule structure can be written for 1. Dehydrogenation of hexahydro-and dodecahydrotriangulene led in fact only to polymeric products. In terms of the valence