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pro vyhledávání: '"Yu. V. Dorofeeva"'
Publikováno v:
ChemInform. 23
Publikováno v:
ChemInform. 23
Publikováno v:
Tetrahedron. 48:1269-1280
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