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pro vyhledávání: '"Asoke K. Das"'
Autor:
Asoke K. Das, Pranab C. Bandyopadhyay
Publikováno v:
Journal of Polymer Science Part A-1: Polymer Chemistry. 9:395-414
A polymer having the structure of guanidinopolyhydroxynitrile has been produced by heating an equimolar mixture of urea and anhydrous ZnCl2 in nitrogen at 300°C and 27 atm. The structure has been established from elemental analysis, percentage of ni
Autor:
D. V. Ramana Rao, Asoke K. Das
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 379:213-217
Chlorine and bromine react with an ethanolic suspension of several nonelectrolytic complexes of manganese(II) having the general formula MnL2X2 where L = pyridine, γ-picoline, 4-cyano pyridine, 3:5-lutidine or iso-quinoline and X = Cl or Br to form
Publikováno v:
Phytochemistry. 28:290-292
Defuscin, a new phenolic ester shown to be n -triacontyl p -coumarate, and (−)-shikimic acid have been isolated from the whole plant of Dendrobium fuscescens Griff. The 1 H NMR spectrum of shikimic acid is indicative of the weighted average of its
Autor:
Asoke K. Das, D. V. Ramana Rao
Publikováno v:
Chemischer Informationsdienst. 6
Autor:
ASOKE K. DAS, D. V. RAMANA RAO
Department of Chemistry, Regional Engineering College, Rourkela-769 008 Manuscript received 5 July, 1982, accepted 28 April 1983 Eleven complexes of trivalent copper and nickel of the types Cu(mdtc)X2, [Ni(mdtc)2]X (X= CI, Br or I ; mdtc=morpholine d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a93307eb0d710629c11fcada3958ff56
Autor:
D. V. Ramana Rao, Asoke K. Das
Publikováno v:
Chemischer Informationsdienst. 6
Autor:
D. V. Ramana Rao, Asoke K. Das
Publikováno v:
Chemischer Informationsdienst. Organische Chemie. 2
Autor:
Asoke K. Das, D. V. Ramana Rao
An ethanolic solution of mangarious chloride is reacted with R4N+Br-(R=C2H5 or CH3) to give 2/1 electrolytic complexes of the type [R4N]2[MnCl2.Br4]. Subsequently these two compounds are reacted separately with different nitrogen donor ligands and se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67e834abc0c3bdaa4ffc2eff7a0fbe31