A new and efficient synthesis of trifluoroalkyl aldehydes or ketones from the same starting material
摘要:
4,4,4-Trifluoroacroleines 2 have been converted specifically by tributyl tin hydride to aldehydes 3 or ketones 4, according to the catalyst and conditions employed.
Synthesis and Characterization of New Variously Substituted Allylic Phosphates
作者:Leila Bahri、T. Barhoumi-Slimi、M. A. K. Sanhoury、M. T. Ben Dhia
DOI:10.1002/hc.21316
日期:2016.5
New allylic phosphates were synthesized through phosphorylation of the corresponding alcohols. These compounds were obtained as mixtures of two (Z and E) isomers in 55–85% yield. They were characterized by multinuclear (1H, 13C, 31P, and 19F) NMR, IR spectroscopy, and HRMS.
Perfluoralkylsubstituierte β-Chlorvinylaldehyde: eine neue Klasse von building blocks zur Synthese fluorierter Heterocyclen
作者:Dieter Greif、U Eilitz、M Pulst、D Riedel、M Wecks
DOI:10.1016/s0022-1139(98)00353-4
日期:1999.2
By the preparation of β-chloro-β-perfluoroalkyl substituted acroleins, synthesized in three steps starting from benzylcyanide and ethyl perfluoroalkyl carboxylates, a versatile class of building blocks was obtained in good yields. β-Chloro-β-perfluoroalkyl substituted vinylaldehydes represent reactive C3-building blocks for preparing perfluoroalkyl substituted N-, S- and N,S-containing five and six
作者:Zofia Cebulska、AndréJ. Laurent、Eliane G. Laurent
DOI:10.1016/0022-1139(95)03361-0
日期:1996.2
Novel classes of trifluoromethylvinylaziridines have been prepared. Addition of dimethylacetylenedicarboxylate to a 2-trifluoromethyl-aziridine gives 2(2-trifluoromethylaziridin-1-yl)fumarate. Vinylic substitution of different β-chlorotrifluoroenones produces 4-aziridin-1-yl-1,1,1-trifluorobut-3-en-2-one or 3-trifluoromethyl-3-aziridin-1-yl enone. The relative configuration of these compounds was established
Synthesis, Characterization, and Conformational Study of Acylhydrazones of α,β-Unsaturated Aldehydes
作者:Imane Hamzi、Thouraya M. Barhoumi-Slimi、Rym Abidi
DOI:10.1002/hc.21310
日期:2016.5
New acylhydrazone derivatives 1–6 have been synthesized by condensation of tert-butylphenoxyhydrazide and cinnamaldehyde A or β-chloro-α,β-unsaturated aldehydes B–F. They were characterized by IR, (1H, 13C, 19F) nuclear magnetic resonance (NMR), and high-resolution mass spectroscopy. The NMR data show the existence of the cis/trans-amide conformers due to N–C(O) bond rotation in addition to the E/Z
One-pot synthesis of new highly substituted allylic phosphorodiamidates
作者:Leila Bahri、T. Barhoumi-Slimi、R. Mallek、M.A.K. Sanhoury、B. Crousse、M.T. Ben Dhia
DOI:10.1016/j.jfluchem.2016.08.002
日期:2016.9
A one-pot synthesis of newsubstituted allylic phosphorodiamidates was performed through phosphorylation of the corresponding alcohols followed by aminolysis. The intermediate allylic phosphorodichoridates could only be isolated when the starting allylic alcohol contains a trifluoromethyl group at the γ-position. These phosphorodiamidates were obtained as mixtures of two (Z and E) isomers in 41–72%