Results 51 to 60 of about 2,380,041 (121)

Estudos de reações de transesterificação com lipases imobilizadas e determinação de coeficiente de difusão de ésteres em organo-gel / [PDF]

, 1999
Tese (Doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas.As lipases de Chromobacterium viscosum, Pseudomonas sp, Microbial e Lipolase, imobilizadas em organo-gel (MBG) de hexano foram usadas como ...
João, Jair Juarez
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Nucleoside and nucleotide analogues containing fluorine [PDF]

, 1993
The work contained in this thesis is divided into four sections detailing the formation of (diethoxyphosphinyl)difluoromethylene substituted cycloalkanes and alkenes and their chemistry, as well as the syntheses of purine and pyrimidine substituted ...
Parkinson, Nigel Christopher
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Syntheses of potentially conducting polymers containing fluorine [PDF]

, 1989
The preparation and characterisation of a number of fluorinated monomers capable of electrochemical polymerisation is described. Their electrochemical characteristics and the products of polymerisation are discussed 4,5,6,7-Tetrafluoroisothianaphthene ...
Mawson, Simon David
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Special Feature Organo-Fluorine Chemical Science

, 2012
Fluorine is the 13th most abundant element and, with other fluorine containing functional groups, is a most effective element in biological substances, pharmaceuticals, agrochemicals, liquid crystals, dyes, polymers and a wide range of consumer products.
Neale Jackson, Helmut Martin Hügel
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Electrophilic fluorination methodology [PDF]

, 2002
Chapter One This chapter reviews the historical background of the fluorination using both elemental fluorine and N-F reagents. It relates the properties and preparations of these electrophilic reagents.
Thomas, Emmanuelle Maitrise de Chimie
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Microreactors and other technologies for direct fluorination [PDF]

, 2002
Quinoline/ 2H-chromen-2-one and derivatives thereof, have been found to undergo electrophilic substitution by elemental fluorine in concentrated sulfuric acid as reaction medium.
Holling, Darren
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Determinação de coeficiente de difusão de esteres e reações de transesterificação catalisadas por enzimas imobilizadas em organo-gel [PDF]

, 1994
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas.Neste trabalho, foi estudado o grau de impedimento imposto pelas barreiras difusionais de ésteres quando estes passam do meio reacional para o gel e
João, Jair Juarez
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The synthesis and chemistry of model compounds related to fluoropolybcers [PDF]

, 1988
The objectives of this research project were to synthesize and investigate the chemistry of model compounds related to the hexafluoropropene/vinylidene fluoride copolymer system.
Apsey, Glenn C.
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Recent Advances on Fluorine Chemistry

The purpose of this Special Issue is to showcase the latest findings in fluorine chemistry [...
Mikhail Yu. Moskalik
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Chemistry of (Z)-2H-Heptafluorobut-2-ENE [PDF]

, 1995
The research described within this thesis may be divided into four areas:1) The synthesis of (8) was investigated, and was shown to produce some novel by-products, including highly fluorinated dienes and even a triene.
Roche, Alex J.
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