Hydroacridines XXI [1]. 13C NMR Spectroscopic Investigation of the Stereoselectivities of Quaternizations of N-Alkyl Derivatives of (4aα,8aβ,9aβ,10aα)- and (4aα,8aα,9aβ,10aα)-Tetradecahydroacridine

2000 ◽  
Vol 131 (4) ◽  
pp. 345-352 ◽  
Author(s):  
Francisc Potmischil ◽  
Helmut Herzog ◽  
Joachim Buddrus ◽  
Mircea D. Gheorghiu
Keyword(s):  
13C Nmr ◽  
Spectroscopic Investigation ◽  
Alkyl Derivatives ◽  
Derivatives Of

SYNTHESIS OF ALKYL DERIVATIVES OF PLUMBAGIN

INDIAN DRUGS ◽  
2013 ◽  
Vol 50 (10) ◽  
pp. 62-66
Author(s):  
G.M Ferreira ◽  
◽  
K.S. Laddha
Keyword(s):  
Nmr Spectroscopy ◽  
Carboxylic Acid ◽  
Silver Nitrate ◽  
Vitamin K ◽  
13C Nmr ◽  
13C Nmr Spectroscopy ◽  
Antithrombotic Agents ◽  
Alkyl Derivatives ◽  
Derivatives Of

A series of alkyl derivatives of plumbagin (2-methyl-5-hydroxy-1,4-naphthoquinone), analogous to Vitamin K, have been synthesized. Plumbagin reacts with carboxylic acid in presence of silver nitrate and ammonium peroxydisulphate to form its alkyl derivatives. The compounds synthesized were characterized by MS, IR, 1 H and 13C-NMR Spectroscopy. The derivatives prepared may find application as antithrombotic agents and may facilitate designing of similar newer analogues.

Raman and infrared spectroscopic investigation of alkyl derivatives of arsenic acid

1974 ◽  
Vol 21 (1) ◽  
pp. 149-157 ◽  
Author(s):  
Hans-Volkhard Gründler ◽  
Heinz-Dieter Schumann ◽  
Eberhard Steger
Keyword(s):  
Spectroscopic Investigation ◽  
Arsenic Acid ◽  
Alkyl Derivatives ◽  
Infrared Spectroscopic ◽  
Derivatives Of

scholarly journals Monoorganosilicon(IV) Complexes of 2-Aminocyclopentene-1-carbodithioic Acid and its N-/S-Alkyl Derivatives: Synthesis and Characterization

2021 ◽  
Vol 33 (12) ◽  
pp. 3134-3138
Author(s):  
Rajnish K. Sharma ◽  
Malti Sharma ◽  
Yashpal Singh
Keyword(s):  
Molecular Weight ◽  
Nitrogen Atom ◽  
13C Nmr ◽  
Synthesis And Characterization ◽  
Sulphur Atom ◽  
Nmr Studies ◽  
1H And 13C Nmr ◽  
Molar Ratios ◽  
Alkyl Derivatives ◽  
Derivatives Of

2-Aminocyclopentene-1-carbodithioic acid (ACDA) and its N-/S-alkyl derivatives of methylsilicon(IV) chloride have been synthesized by the reactions of MeSiCl3 with sodium salt of ACDA and its N-/S-alkyl derivatives in 1:1 and 1:2 molar ratios. All these complexes have been characterized by elemental analysis, molecular weight measurements and spectroscopic (IR, 1H and 13C NMR) studies. The central silicon atom is coordinated to two sulphur atoms or one sulphur atom and one nitrogen atom of the ligand moiety in all of these derivatives, resulting in five and six coordination.

7-O-Alkyl derivatives of daunomycinone

1984 ◽  
Vol 49 (1) ◽  
pp. 313-319 ◽  
Author(s):  
Věra Přikrylová ◽  
Petr Sedmera ◽  
Josef V. Jizba ◽  
Jindřich Vokoun ◽  
Helena Lipavská ◽  
...  
Keyword(s):  
H Nmr ◽  
Toluenesulfonic Acid ◽  
Alkyl Derivatives ◽  
Derivatives Of

Reaction of daunomycinone (I) with alcohols and p-toluenesulfonic acid produces a mixture (~3 : 1) of its (7S)- and (7R)-O-alkyl derivatives II-IX. According to the 1H NMR evidence, the alicyclic ring exists in the 9H8 conformation in (7R)-O-alkyl derivatives, on the contrary to (7S)-epimers and 7-epi-daunomycinone that adopt the 8H9 conformation.

Polarized fluorescense of alkyl derivatives of fluorescein, MitoFluo and C8-Fl, in solutions with liposomes

2020 ◽  
Author(s):  
D.M. Beltukova ◽  
V.P. Belik ◽  
Y.N. Antonenko ◽  
A.A. Bogdanov ◽  
G.A. Korshunova ◽  
...  
Keyword(s):  
Alkyl Derivatives ◽  
Derivatives Of

Synthesis and reactivity of halide, hydride, and alkyl derivatives of (pentamethylcyclopentadienyl)(bisphosphine)iron(II)

1990 ◽  
Vol 9 (1) ◽  
pp. 260-265 ◽  
Author(s):  
Rocco A. Paciello ◽  
Juan M. Manriquez ◽  
John E. Bercaw
Keyword(s):  
Alkyl Derivatives ◽  
Derivatives Of

The Alkyl Derivatives of Halogen Phenols and their Bactericidal Action. II. Bromophenols

1933 ◽  
Vol 55 (11) ◽  
pp. 4657-4662 ◽  
Author(s):  
Emil Klarmann ◽  
Louis W. Gates ◽  
Vladimir A. Shternov ◽  
Philip H. Cox
Keyword(s):  
Bactericidal Action ◽  
Alkyl Derivatives ◽  
Derivatives Of

570. Compounds of potential pharmacological interest. Part IV. Aryl and alkyl derivatives of 1-aminoindane

1956 ◽  
pp. 2928 ◽  
Author(s):  
J. A. Barltrop ◽  
R. M. Acheson ◽  
P. G. Philpott ◽  
K. E. MacPhee ◽  
J. S. Hunt
Keyword(s):  
Alkyl Derivatives ◽  
Pharmacological Interest ◽  
Derivatives Of
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