2010
DOI: 10.1590/s0100-40422010001000037
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Recentes aplicações sintéticas de compostos orgânicos tricloro(bromo)metila substituídos

Abstract: Recebido em 1/7/10; aceito em 11/10/10; publicado na web em 16/11/10 RECENT SYNTHETIC APPLICATIONS OF TRICHLORO(BROMO)METHYL CONTAINING ORGANIC COMPOUNDS. This review presents the recent applications of some trihalomethyl carbinols, α,α,α-trihalogenated carbonyl compounds and trichloro(bromo)methyl-containing heterocycles, acting as high versatile synthetic precursors in organic chemistry, based on the last 10 years' literature.Keywords: trichloro(bromo)methyl compounds; synthetic applications. INTRODUÇÃO O gr… Show more

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Cited by 28 publications
(2 citation statements)
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“…We previously reported on the diastereoselective synthesis of trans,cis- ( tc -isomers) and trans,trans-isomers ( tt -isomers) of 3-nitro-4-phenacyl-2-(trifluoro­(trichloro)­methyl)­chromanes 1 from 3-nitro-2-trifluoro­(trichloro)­methyl-2 H -chromenes and α-morpholinostyrene under kinetic or thermodynamic control conditions . In continuation of our research aimed at developing methods for the preparation of Δ 3 -annulated chromane derivatives, and taking into account the important role of fluorine- and chlorine-containing heterocycles, in this work we investigated the reductive cyclization of chromanes 1 using various Zn-based reductive systems as a possible method for the synthesis of individual diastereomers of trifluoro­(trichloro)­methyl-substituted fused pyrroline N -oxides, pyrrolines and pyrrolidines (Scheme b). Successful solution of this problem would make available a number of new 3,4-fused chromans with promising biological properties.…”
Section: Introductionmentioning
confidence: 99%
“…We previously reported on the diastereoselective synthesis of trans,cis- ( tc -isomers) and trans,trans-isomers ( tt -isomers) of 3-nitro-4-phenacyl-2-(trifluoro­(trichloro)­methyl)­chromanes 1 from 3-nitro-2-trifluoro­(trichloro)­methyl-2 H -chromenes and α-morpholinostyrene under kinetic or thermodynamic control conditions . In continuation of our research aimed at developing methods for the preparation of Δ 3 -annulated chromane derivatives, and taking into account the important role of fluorine- and chlorine-containing heterocycles, in this work we investigated the reductive cyclization of chromanes 1 using various Zn-based reductive systems as a possible method for the synthesis of individual diastereomers of trifluoro­(trichloro)­methyl-substituted fused pyrroline N -oxides, pyrrolines and pyrrolidines (Scheme b). Successful solution of this problem would make available a number of new 3,4-fused chromans with promising biological properties.…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, the trichloroacetate has also been used as carbenes source and as precursors in the Mannich‐type of reactions, Corey and Link developed a novel synthetic approach ‘Jocic reaction’ for preparation of chiral‐amino acids, via trichloromethylcarbinol as an intermediate . Also, the trichloroacetate core is used as solvents, buffers, and found in many biologically relevant molecules including . Consequently, the development of methods towards the synthesis of trichloroacetate compounds is of continued interest.…”
Section: Introductionmentioning
confidence: 99%