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Fulvenes and Thermochromic Ethylenes. Part 70 Syntheses in the Dibiphenylene‐Ethene (Bifluorenylidene) Series
Author(s) -
Gosnay Ian,
Bergmann Ernst D.,
Rabinovitz M.,
Agranat I.
Publication year - 1972
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.197200044
Subject(s) - chemistry , thermochromism , fulvenes , derivative (finance) , series (stratigraphy) , organic chemistry , computational chemistry , medicinal chemistry , financial economics , economics , paleontology , biology
In order to obtain a better insight into the fine‐structure of dibiphenylene‐ethene, the 1,1′‐difluoro‐, 1,1′‐dichloro, 1,1′‐ and 2,2′‐dimethyl derivatives have been prepared using a variety of methods. The attempted preparation of the pure 1,1′‐dibromo‐derivative failed.