Zobrazeno 1 - 10
of 24
pro vyhledávání: '"B. H. Bhide"'
Publikováno v:
Journal of Heterocyclic Chemistry. 39:623-625
o-Lithio yV-methyl benzamides (1a-f) upon alkylation with ethyl methyl ketone gave (±)-3-ethyl-3-methyl phthalides (2a-f), which upon treatment with concentrated H2SO4 or anhydrous A1C13 furnished corresponding 3,3-dimethyl-3,4-dihydroisocoumarins (
Publikováno v:
ChemInform. 23
Publikováno v:
ChemInform. 23
Publikováno v:
ChemInform. 24
Publikováno v:
ChemInform. 31
Publikováno v:
ChemInform. 33
o-Lithio yV-methyl benzamides (1a-f) upon alkylation with ethyl methyl ketone gave (±)-3-ethyl-3-methyl phthalides (2a-f), which upon treatment with concentrated H2SO4 or anhydrous A1C13 furnished corresponding 3,3-dimethyl-3,4-dihydroisocoumarins (
Publikováno v:
Proceedings / Indian Academy of Sciences. 104:425-429
All valence MO calculation employing CNDO/II treatment for hydrogen abstraction step in aromatic ortho lithiation reaction is done. The predicted proton abstraction is supported by experimental observation. The lithiation of N-methyl-β-naphthamide o
Publikováno v:
Proceedings / Indian Academy of Sciences. 102:81-86
The bimolecular nucleophilic substitution reaction of phenacyl bromides with anilines has been studied in pure solvents and also in mixed media. The kinetics of the system has been analysed by a molecular orbital approach and by linear free energy re
Publikováno v:
Proceedings / Indian Academy of Sciences. 95:279-284
Bimolecular rate constants have been estimated conductometrically for the reaction of 1-chloromethylnaphthalene (1-cmn) with aniline in four solvents to study solvent and temperature effects. The reaction of 1-cmn with variousm-andp-substituted anili
Publikováno v:
Proceedings / Indian Academy of Sciences. 101:301-306
Synthesis of 6-methoxy-, 5,6-dimethoxy-, 5,6-benzo-and 7,8-benzo-3-methylisocoumarins by an acid-catalysed path has been described. The path uses aromatic aldehydes as the starting materials, while isochromans are the key intermediates.