Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Pavel Čepec"'
Publikováno v:
Collection of Czechoslovak Chemical Communications. 62:1105-1113
(5-Bromo-2-furyl)methylidenemalonodinitrile (1) reacted with substituted aromatic amines under formation of (5-N-arylamino-2-furyl)methylidenemalonodinitriles 2a-2h whereas no reaction was observed with N-alkyl-N-phenylamines. Derivatives of 2-cyano-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c15e940143b2390c6d3f3b6dbfb9eece
https://doi.org/10.1135/cccc19971105
https://doi.org/10.1135/cccc19971105
Publikováno v:
Collection of Czechoslovak Chemical Communications. 59:2481-2492
Reaction of derivatives of 2-furancarbaldehyde or 2-acetylfuran with malononitrile, methyl cyanoacetate or cyanoacetamide in the presence of secondary amines afforded derivatives of 2-amino-3-furancarboxylic acid in 45 - 88% yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5039cfed41612042d4cf001777ac4cbc
https://doi.org/10.1135/cccc19942481
https://doi.org/10.1135/cccc19942481
Publikováno v:
Collection of Czechoslovak Chemical Communications. 49:984-991
Methyl 2-cyano-3-(4-bromo-5-R-X-2-furyl)-2-propenenitriles and 2-propenoates were prepared from 2-cyano-3-(4,5-dibromo-2-furyl)-2-propenenitrile and methyl 2-cyano-3-(4,5-dibromo-2-furyl)-2-propenoate and the respective nucleophiles R-XNa (X = S, R =
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f0dc0e4f8021af34e98cdd0c5987b00
https://doi.org/10.1135/cccc19840984
https://doi.org/10.1135/cccc19840984
Publikováno v:
Chemischer Informationsdienst. 15
Reactions avec des nucleophiles RXNa (X=S et R=phenyl, benzimidazolyl-2, benzothiazolyl-2 ou pyrimidinyl-2 ou X=SO 2 et R=phenyl)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51d3c767114cf9b9ed0843ea57aa98a2
https://doi.org/10.1002/chin.198433166
https://doi.org/10.1002/chin.198433166