Zobrazeno 1 - 10
of 10
pro vyhledávání: '"R. N. Shafran"'
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 26:2129-2133
The method of competitive reactions has been used to investigate the activity of p- and α-substituted styrenes and 1-substituted cyclopropylethylenes in reactions with dihalocarbenes. The weakening of the influence of the substituents on the activit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8c08071311aa62346c2cd81bf2a4c85
https://doi.org/10.1007/bf00923634
https://doi.org/10.1007/bf00923634
Autor:
R. N. Shafran, Oleg M. Nefedov
Publikováno v:
Bulletin of the Academy of Sciences, USSR Division of Chemical Science. 14:515-518
1. A comparative study of the different methods for obtaining dichlorocarbene was made by the method of “competing” addition. 2. The relative rate constants for the dichloromethylenation of cyclohexene and a number of its 1-substituted derivative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e56aa0f035b02dc001aad3ceb11685fb
https://doi.org/10.1007/bf00846617
https://doi.org/10.1007/bf00846617
Publikováno v:
Petroleum Chemistry U.S.S.R.. 1:517-524
1. 1. It has been established that methylcyclohexane is more readily alkylated with olefins than unsubstituted cyclohexane under thermal conditions. 2. 2. It has been shown that the main product of the reaction is methylethyleyclohexane, a mixture of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28faef45814b247e3e3320ea9d8bbb03
https://doi.org/10.1016/0031-6458(62)90005-9
https://doi.org/10.1016/0031-6458(62)90005-9
Publikováno v:
Petroleum Chemistry U.S.S.R.. 4:243-251
1. 1. It has been found that, in the presence of a skeletal Co-catalyst dienes are hydrogenated at almost the same rate, irrespective of the degreee of subsititution of carbon atoms at the double bonds. The specific activity of the catalyst in these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dfaa8121654775d241150d35b99ca8a
https://doi.org/10.1016/0031-6458(65)90087-0
https://doi.org/10.1016/0031-6458(65)90087-0
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 21:849-853
The structure of the products of the condensation of methyl cyclopropyl ketone on basic catalysts was established, and some of their properties were studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ffda0db0ae2abb9296e87ae314dad55
https://doi.org/10.1007/bf00854485
https://doi.org/10.1007/bf00854485
Publikováno v:
Chemischer Informationsdienst. 16
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b7a012c86393ecf52a62f81d51aeddd
https://doi.org/10.1002/chin.198522130
https://doi.org/10.1002/chin.198522130
Publikováno v:
Chemischer Informationsdienst. 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17429b0aa36221103540706b4c968f34
https://doi.org/10.1002/chin.197305170
https://doi.org/10.1002/chin.197305170
Publikováno v:
Chemischer Informationsdienst. 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f53bde5f7fa99cb6af6ce11794d6c65
https://doi.org/10.1002/chin.197232289
https://doi.org/10.1002/chin.197232289
Publikováno v:
Chemischer Informationsdienst. 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4359778ade4e1101dde220ca0fa6143
https://doi.org/10.1002/chin.197304195
https://doi.org/10.1002/chin.197304195
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 33:2585-2586
A convenient preparative method was developed for the synthesis of 3,3-disubstituted cyclopropenes in yields up to 90% for 3,3-dimethylcyclopropene, spiro[2.3]hex-1-ene, and 3-methyl-3-phenylcyclopropene from the corresponding monohalocyclopropanes b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c700ec98ce7717de91f1791b1a8b0ea1
https://doi.org/10.1007/bf00960295
https://doi.org/10.1007/bf00960295