Use of phosphorous organic compounds of general formula (I)
1
wherein B represents either an ether group of the formula (II)
2
or a keto group of the formula (III)
3
is a 5 or 6 membered cyclic compound,
and their use for preparing pharmaceutical compositions for the therapeutic and prophylactic treatment of infections in humans and animals due to viruses, bacteria, fungi, and parasites as well as their use as a fungicide, bactericide and herbicide in plants.
Dissection of Nucleophilic and General Base Roles for the Reaction of Phosphate with <i>p</i>-Nitrophenyl Thiolacetate, <i>p</i>-Nitrophenyl Thiolformate, and Phenyl Thiolacetate
作者:Manjinder S. Gill、Alexei A. Neverov、R. S. Brown
DOI:10.1021/jo970904b
日期:1997.10.1
well-known to catalyze the decomposition of various active acyl compounds. This study was undertaken to determine the extent to which it acts as a nucleophile and general base toward some activated esters and thiolesters. Thus, the hydrolyses of p-nitrophenyl acetate (3a), p-nitrophenyl thiolacetate (3b), phenyl acetate (4a), phenyl thiolacetate (4b), and p-nitrophenyl thiolformate (5) have been studied
its analogue, C20-oxosalinomycin, as promising structures for trypanocidal drug candidates. In search for novel compounds effective against African trypanosomes, the synthetic access to a completely new series of C20-epi-salinomycin (compound 2) analogues is described in this paper. This series includes products obtained via derivatisation of either the C1 carboxyl or the C20 hydroxyl of 2, but also
Synthesis of 1-acylamino-1-(trimethylsiloxy)alkanes by trimethylsilyl trifluoromethanesulfonate-catalysed addition of bis(trimethylsilyl)amides to aldehydes
作者:A. Peter Johnson、Richard W. A. Luke、Robert W. Steele、Andrew N. Boa
DOI:10.1039/p19960000883
日期:——
Bis(trimethylsilyl)formamide reacts with aldehydes in refluxing chloroform, or at room temperature with catalysis by trimethylsilyl trifluoromethanesulfonate, to give 1-acylamino-1-(trimethylsiloxy)alkanes; similar results are obtained with other bis(trimethylsilyl)amides, but surprisingly not with bis(trimethylsilyl)acetamide, and addition of bis(trimethylsilyl)formamide to ketones and acetals can also be accomplished using TMS triflate as catalyst.
Synthesis of hexavalent molybdenum formo- and aceto-hydroxamates and deferoxamine via liquid-liquid metal partitioning
作者:Andrew T. Breshears、M. Alex Brown、Ira Bloom、Charles L. Barnes、Artem V. Gelis
DOI:10.1016/j.ica.2017.12.017
日期:2018.3
a new method of crystal growth and synthesis based on liquid-liquid partitioning that allows for isolation and in-depth characterization of molybdenyl bis(formohydroxamate), Mo-FHA , molybdenyl bis(acetohydroxamate), Mo-AHA , and molybdenyl deferoxamine, Mo-DFO , for the first time. This novel approach affords shorter crystal growth time (hourly timeframe) without sacrificing crystal size or integrity