Zobrazeno 1 - 10
of 237
pro vyhledávání: '"Sodium triacetoxyborohydride"'
Autor:
Е. А. Dikusar, E. A. Akishina, Vladimir I. Potkin, D. V. Kazak, R. S. Alexeev, Nikolay A. Bumagin
Publikováno v:
Proceedings of the National Academy of Sciences of Belarus, Chemical Series. 57:185-194
Based on esters of nicotinic and isonicotinic acids with hydroxybenzaldehydes, a series of functionally substituted derivatives containing isoxazole and isothiazole heterocycles in the molecule have been synthesized. Azomethines were obtained by cond
Autor:
M. I. Shatirova, Sh. F. Nagieva
Publikováno v:
Russian Journal of Organic Chemistry. 56:819-827
The reactions of 4-[(4-formylphenoxy)methyl] derivatives of ethyl 6-alkyl(phenyl)-substituted nicotinates with primary amines, glycols and 1,2-phenylenediamine, leading to the formation of the corresponding azomethines, 1,3-dioxolanes, and 2,3-dihydr
Autor:
Frank Dixon, Roy C. Flanagan
Publikováno v:
Organic Process Research & Development. 24:1063-1067
The use of sodium triacetoxyborohydride (STAB) as a mild and effective reagent for the reduction of imines is well characterized in the literature. For reduction products that require a nonacidic w...
Publikováno v:
Organic Process Research & Development. 23:2080-2087
Sodium triacetoxyborohydride (STAB) is a common reducing agent with potency that degrades over time and is not uniformly assigned. A simple assay based on an aldehyde reduction has been developed t...
Publikováno v:
Journal of pharmaceutical and biomedical analysis. 203
Sodium triacetoxyborohydride (STAB) is a mild, selective, and frequently used reducing agent for reductive amination transformations. STAB has been reported to undergo degradation when exposed to air, often requiring additional sub-stoichiometric rea
Autor:
Ethan M. McBride, Guido F. Verbeck
Publikováno v:
Forensic Science International. 288:278-282
Impurity profiling has been used as a useful tool for analyzing nearly every drug class currently known on the illicit market. Impurities present within seized samples have the potential to determine source of origin, route of synthesis used, as well
Autor:
Kostiantyn Nazarenko, Kostiantyn Shvydenko, Aleksandr N. Kostyuk, Tetiana Shvydenko, Oleksii V. Gutov, Sergey Yu. Boron, Andrey A. Tolmachev
Publikováno v:
Tetrahedron. 73:6942-6953
A convenient approach to diazocine derivatives 8,9 starting from 1,2-polymethyle-neimidazolium salts 4 was developed. The polymethylenimidazolium salts 4 are partially reduced with sodium borohydride in DMF to give 5,6,7,7a-tetrahydro-1H-pyrrolo[1,2-
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Publikováno v:
CHEMICAL & PHARMACEUTICAL BULLETIN. 66:101-103
A versatile N-alkylation was performed using sodium triacetoxyborohydride and carboxylic acid as an alkyl source. The combination of these reagents furnished products different from those given previously by a similar reaction. Moreover, the mild con
Publikováno v:
ACS combinatorial science. 21(3)
Under the aegis of the Pilot Scale Library Program of the NIH Roadmap Initiative, a new library of propan-1-amine containing aza acyclic nucleosides was designed and prepared, and we now report a diverse set of 157 purine, pyrimidine, and 1,2,4-triaz