2003
DOI: 10.1016/s0040-4020(02)01622-8
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Clean and efficient microwave-solvent-free synthesis of 1-(2′,4′-dichlorophenacyl) azoles

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Cited by 23 publications
(12 citation statements)
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“…For extension to the preparation of azolic fungicides, phenacylation was next examined. Under the action of MW irradiation, exclusive reaction in position 1 (or equivalent 2) occurred, whereas mixtures of N 1 , N 4 , and N 1,4 products were obtained by use of under the same conditions [124,214] [Eq. (4.108), Because kinetic control was ensured, this clear MW effect could possibly be due to a difference in polarity of the TS, with a more polar TS apparently being formed on π attack by the nitrogen atom in position 2.…”
Section: Cycloaddition To C 70 Fullerenementioning
confidence: 99%
“…For extension to the preparation of azolic fungicides, phenacylation was next examined. Under the action of MW irradiation, exclusive reaction in position 1 (or equivalent 2) occurred, whereas mixtures of N 1 , N 4 , and N 1,4 products were obtained by use of under the same conditions [124,214] [Eq. (4.108), Because kinetic control was ensured, this clear MW effect could possibly be due to a difference in polarity of the TS, with a more polar TS apparently being formed on π attack by the nitrogen atom in position 2.…”
Section: Cycloaddition To C 70 Fullerenementioning
confidence: 99%
“…Alkylations have been carried out using alkyl halides (usually iodides and bromides), dialkyl sulfates, arenesulfonates, diazomethane and dialkyl phosphates. Microwave irradiation has proved very effective for carrying out this reaction [311,312]. With neutral pyrazoles and alkyl halides, the alkylation yields salts of the corresponding acids.…”
Section: 51mentioning
confidence: 99%
“…Em 2003, Perez e colaboradores 65 descreveram um trabalho envolvendo estudos sobre a alquilação de azóis em sistemas sem solvente sob irradiação de micro-ondas, utilizando reator monomodo Synthewave 402, com controle infravermelho de temperatura. Através de um estudo comparativo da reação entre a benzotriazola com acetofenona na presença e ausência de solvente e em aquecimento convencional e micro-ondas, os autores observaram efeito de micro-ondas ao utilizar xileno como solvente, segundo a Tabela 9, entradas 3 e 4.…”
Section: Reações Sem Solventeunclassified