Zobrazeno 1 - 10
of 16
pro vyhledávání: '"S. C. Sen Gupta"'
Autor:
S C Sen, Gupta
Publikováno v:
The Indian Medical Gazette
Autor:
S C Sen, Gupta
Publikováno v:
The Indian Medical Gazette
Autor:
S C, SEN GUPTA
Publikováno v:
Indian medical journal. 41(8)
Autor:
S. C. Sen Gupta, Sen, Parimal Krishna
Syntheses of 8,9-benzo-spire-[6, 5] dodecane and its alkyl derivatives have been described. Dehydrogenation of these spirans accompanied by ring transformation occurs when heated with Pd-C at 370-400° in a sealed tube, providing an anthracene or a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a79a05390acccec539fdbc21c97bdbde
Autor:
S. C. Sen Gupta, Parimal Krishna Sen
Synthesis of 7,8-benzo-spiro-(6,4)undecane and its alkyl derivatives have been described. When heated with Pd-C at 380-400° in a sealed tube, dehydrogenation of these spirants accompanied by ring transfermation occurs, affording an anthracene or a p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d1a7d392760bf02b0800023f7041521
The diene-synthesis method has been further attended to the syntheses of byrindene derivative; including 4:7- diphenylhydrindene. two diallryl-9:10-cycloperitenopheranthrenes. and a law benzo and dibenzo derivatives of \(cyclo\)penterviphenanthrene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32e73939b362b30b2265dc51d493b198
Studies in Catalytic Dehydrogenation. Part IX. Synthesis and Dehydrogenation of Spiro-(5,5)undecanes
Autor:
S. C. Sen Gupta, Mitra, Ashutosh
Synthesis of 8,9-benzo-spiro-[(5,5)undecanes with alkyl] substituent in the spiran ring has been described. When these spirans are heated with Pd-C at 360-80° in a sealed tube, dehydrogenation, accompanied with ring transformation, pours, affording
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70ce7ac594708f5bbb58bb47b72f9b96
Autor:
S C, SEN GUPTA
Publikováno v:
Indian medical journal. 45(2)
Autor:
S. C. Sen Gupta, Sen, Parimal Krishna
Synthesis of 2'-methyl-6,7-benzeuberan, 3-methyl-6,7-benzsuberan, 3,3-dimethyl-6,7-benzsuberan and 3-ethy1-3-methyl-6,7-benzsuberan have been described. Catalytic dehydrogenation of these benzsuberans has been carried out by heating with Pd-C catalys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a010a09e0246002e19b88d3aba6fcbb
Autor:
R. G. Howarth, Eva Turner Clark, Arthur H. R. Fairchild, C. Philip Deasy, Robert Withington, Paul Dottin, Daniel Morley McKeithan, Thomas Middleton, S. C. Sen Gupta., Felix E. Schelling, Laurens J. Mills, Joseph Quincy Adams
Publikováno v:
Modern Language Notes. 53:619