Addition of Diarylmethyl Halides to asymmetric diarylethylenes and conversion of the tetra-arylprop-1-enes to tetra-arylallenes

Autor:	Abdul Aziz Amin Helmy, Alfy Badie Sakla, Wadie Tadros, Suzan Ibrahim Aziz
Rok vydání:	1972
Předmět:	Potassium hydroxide chemistry.chemical_compound Ozonolysis biology Chemistry Boiling Halogenation Tetra Halide Organic chemistry biology.organism_classification Ethylene glycol
Zdroj:	Journal f�r Praktische Chemie. 314:793-798
ISSN:	1521-3897 0021-8383
DOI:	10.1002/prac.19723140512
Popis:	Diarylmethyl bromides added to asymmetric diarylethylenes to give the corresponding 1,1,3,3-tetra-arylprop-1-enes 3. Bromination of these propenes, gave 2-bromoprop-1-enes 4 which were readily converted with ethanolic potassium hydroxide to the allenes 5. The structure of the propenes and 2-bromoprop-1-enes was confirmed by ozonolysis. When 2-bromo-2-methyl-1, 1-di-p-methoxyphenylethylene was heated to boiling with sodium-hydroxyethoxide in ethylene glycol, 1,1-di-p-methoxyphenylallene 7 was formed.
Databáze:	OpenAIRE
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