Zobrazeno 1 - 10
of 294
pro vyhledávání: '"Upendra K. Pandit"'
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 105:262-265
Reduction of imines (2a-e) derived from n-butylamine and p-substituted benzaldehydes, in the presence of magnesium perchlorate, by Hantzsch ester (1), in acetonitrile, proceeds via the corresponding iminium salts formed by protonation of the imines b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26876bc5672bc48be62a8bafd2bb326e
https://doi.org/10.1002/recl.19861050906
https://doi.org/10.1002/recl.19861050906
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 82:39-48
The main product of cyclisation of N-(m-methoxyphenyl)-N-tosyl-2-aminopropionyl chloride is shown to be N-tosyl-7-methoxy-4-oxo-1,2,3,4-tetrahydroquinoline. The 3-cyano-3-methyl derivative of this quinolone, which was obtained from the latter in two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::468750e3da7c88ad281a68aa838bb714
https://doi.org/10.1002/recl.19630820105
https://doi.org/10.1002/recl.19630820105
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 87:151-160
The preparation of 6-methoxy-2-(2′-oxocyclopentyl-1-tetralone (I) and 2-(2′-oxocyclopentyl)quinolizidin-1-one (II) is described. Diketones I and II have been converted to heterocyclic systems related to steroids and C-nor-steroids.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0eb395b4e3e02ada8f7619e4b17a8950
https://doi.org/10.1002/recl.19680870206
https://doi.org/10.1002/recl.19680870206
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 89:885-895
The reaction of dimethyl azodiformate with 1-phenylcyclopentene, 1-phenylcyclohexene, 1-(2-naphthyl)cyclopentene, 1-(2-naphthyl)cyclohexene, 1-(6-methoxy-2-naphthyl)cyclopentene and 1-(6-methoxy-2-naphthyl)cyclohexene gives 2: 1 (ester-olefin) adduct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d35ecc6f9866fd4d304563d64df4872
https://doi.org/10.1002/recl.19700890816
https://doi.org/10.1002/recl.19700890816
Autor:
Upendra K. Pandit, H. De Koning
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 90:874-884
Base-catalyzed condensation of Nα-benzyloxycarbonyl-D,L-lysine (1) with acrylamides 2a, b led to the formation of 2-benzyloxy carbonylamino-6-(1-pyrimidinyl)caproic acids 3a, b in good yields. Hydrolysis of 3a, b yielded the corresponding amino acid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41332e351782d3458bb3e9f90a3f9678
https://doi.org/10.1002/recl.19710900807
https://doi.org/10.1002/recl.19710900807
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 84:389-392
Dehydrobromination of 1,2-dibromo-1,2,3,4-tetrahydronaphthalene with piperidine has been shown to give 1-bromo-3,4-dihydronaphthalene.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45053ece60e6814b8303978f216ade36
https://doi.org/10.1002/recl.19650840315
https://doi.org/10.1002/recl.19650840315
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 91:799-808
Enamines derived from β-tetralone and morpholine and dimethylamine (Ia,b), react with carbenes IIa,b to give 1:1 adducts IIIa,b and ring-insertion products IVa,b, respectively. The reaction of pyrrolidine enamine Ic with the carbenes leads to the fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f93ffbb4672b553887c9075e16b4cec6
https://doi.org/10.1002/recl.19720910706
https://doi.org/10.1002/recl.19720910706
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 110:414-419
D-(+)-xylose has been converted to (+)-sesbanimide A in sixteen steps. The synthetic scheme involves an unusual tricyclic silylated derivative (9a) of the monobenzoylated product of the earlier described glutarimide intermediate (7). Compound 9a is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::076beda6d665f5c5dea0ec6f19f81f4a
https://doi.org/10.1002/recl.19911101005
https://doi.org/10.1002/recl.19911101005
Autor:
Upendra K. Pandit
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 107:111-120
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9cbfffd88286d36886873c68d179ca3
https://doi.org/10.1002/recl.19881070302
https://doi.org/10.1002/recl.19881070302