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Reactions of dichloromethane with thioanions .2. Formation of 5-alkyl-1,3,5-dithiazinanes, 3,5-dialkyl-1,3,5-thiadiazinanes, and 1,3,5-trialkyl-1,3,5-triazinanes by reaction of dichloromethane with sodium sulfide and monoalkylamines
(GORDON BREACH SCI PUBL LTD, 1995)
The reaction of dichloromethane with sodium sulfide and monoalkylamines, catalyzed by polyethyleneglycol 1,500, is studied. A mixture of 5-alkyl-1,3,5-dithiazinane, 3,5-dialkyl-1,3,5-thiadiazinane, and 1,3,5-trialkyl-1,3 ...
A convenient eco-friendly system for the synthesis of 5-sulfenyl tetrazole
(Royal Society of Chemistry, 2014-08)
The use of CeCl3·7H2O in polyethyleneglycol 400 (PEG-400), as an efficient and eco-friendly promoter system for the convenient synthesis of 5-sulfenyl tetrazoles derived from indoles and pyrroles, is reported. The synthesis ...
Desenvolvimento e validação de metodologia analítica para determinação simultânea dos teores de éster e metanol em biodiesel
(Universidade Federal de Mato GrossoBrasilInstituto de Ciências Exatas e da Terra (ICET)UFMT CUC - CuiabáPrograma de Pós-Graduação em Química, 2013-07-19)
This work aimed to develop and validate an analytical method for the simultaneous determination of contents of ester and methanol in soybean methyl biodiesel, based in the derivatization of the methanol with acyl chlorides ...
Desarrollo de un proceso de producción-separación de galactooligosacáridos mediante un sistema acuoso de dos fases asistido por microondas
(Universidad Nacional de ColombiaBogotá - Ingeniería - Doctorado en Ingeniería - Ingeniería QuímicaDepartamento de Ingeniería Química y AmbientalFacultad de IngenieríaBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2020)
Los GOS (Galactooligosacáridos) son carbohidratos con una molécula de glucosa unida a 2-5 moléculas de galactosa. Los GOS son prebióticos y se obtienen industrialmente mediante reacciones enzimáticas. Los GOS son producidos ...