Synthesis of 3,3-dimethyl-1-phenyl-2-phenylethynylcyclopropene - the first conjugated alkynylcyclopropene
Autor: | V. A. Gindin, Yu. V. Dorofeeva, V. V. Semenovskii, Mikhail A. Kuznetsov, A. N. Studenikov |
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Rok vydání: | 1992 |
Předmět: | |
Zdroj: | Tetrahedron. 48:1269-1280 |
ISSN: | 0040-4020 |
Popis: | The 1,3-cycloaddition reaction of 2-diazopropane with diphenyldiacetylene leads to the mixture of 3,3-dimethyl-5-phenyl-4-phenylethynyl-3H-pyrazole, 3,3-dimethyl-4-phenyl-5-phenylethynyl-3H-pyrazole, and 3,3,3′,3′-tetramethyl-4′,5-diphenyl-4,5′-bi-3H-pyrazolyl. Photolysis of both 3H-pyrazoles gives the title phenylethynylcyclopropene. |
Databáze: | OpenAIRE |
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