- Exploiting Substrate Diversity for Preparing Synthetically Valuable Sulfoxides via Asymmetric Hydrogenative Kinetic Resolution
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A detailed study is disclosed on the Rh-mediated hydrogenative kinetic resolution of α,β-unsaturated sulfoxides with alkyl and aryl substituents at the α-, E- and Z-positions of the double bond. This stereoselective catalytic methodology has enabled the p
- Fernández-Pérez, Héctor,Grabulosa, Arnald,Lao, Joan R.,Vidal-Ferran, Anton
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supporting information
(2020/07/24)
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- Domino reaction of 2,3-dichloroprop-1-ene with diphenyl disulfide in the system hydrazine hydrate-potassium hydroxide
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2,3-Dichloroprop-1-ene reacted with diphenyl disulfide in the system hydrazine hydrate-potassium hydroxide at 30-35 C to give three products: 2-chloro-3-phenylsulfanylprop-1-ene, 1-phenylsulfanylpropadiene, and 1-phenylsulfanylprop-1-yne. Variation of tem
- Levanova,Grabel'Nykh,Elaev,Russavskaya,Klyba,Albanov,Tarasova,Korchevin
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p. 1341 - 1344
(2013/09/23)
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- Studies on the regio- and stereoselectivity of halohydroxylation of 1,2-allenyl sulfides or selenides
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It was observed that the halohydroxylation of 1,2-allenyl sulfides or selenides with Br2 (CuBr2 or NBS) or I2 and water demonstrated a fairly good regioselectivity (i.e., the C=C bond that is remote from the S or Se atom w
- Ma, Shengming,Hao, Xueshi,Meng, Xiaofeng,Huang, Xian
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p. 5720 - 5724
(2007/10/03)
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- Prototropic rearrangement of 2-propynyl(methyl)amino, 2-propynyloxy, and 2-propynylsulfanyl derivatives of hetarenes under conditions of phase-transfer catalysis: Mechanism and limitations
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2-Propynyl derivatives of N-methylaniline, phenol, benzenethiol, 2-pyridinethiol, 2-pyrimidinethiol, and 1,3-benzoxazole-2-thiol were synthesized. Under conditions of phase-transfer catalysis, phenyl 2-propynyl sulfide is converted into allenyl phenyl sul
- Rubina,Fleisher,Abele,Popelis,Lukevits
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p. 963 - 967
(2007/10/03)
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- Rearrangements of 2-Phenylthioethanols with Alkenyl, Alkynyl, Ester, and Other Functionalised Alkyl Substituents at the Migration Origin: Synthesis of γ-Phenylthiocrotonate Esters
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The effects of functional groups near the migration origin in and PhS shifts are explored: an α-CO2R group prevents migration, α or β vinyl groups have only steric effects, alkynyl or CO2Et groups encourage rearrangement and provide routes to γ-phenylthio unsaturated esters and ketones.
- Brownbridge, Peter,Hunt, Paul G.,Warren, Stuart
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p. 1695 - 1706
(2007/10/02)
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- CINETIQUE ET MECANISME DE LA REACTION DE PROTOTROPIE DES COMPOSIES PROPARGYLIQUES, ALLENIQUES ET PROPYNYLIQUES PORTANT UN HETEROATOME (COLONNE Vb ET VIb)
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A detailed kinetic study of the prototropic rearrangement of the system RMCH2-CCHRM-CH=C=CH2RM-CC-CH3 where M=NR, O, S, Se is presented.Using deuterated substrates the nature of the reactive intermediates and, in the case of M=S, the activatio
- Pourcelot, G.,Cadiot, P.,Georgoulis, C.
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p. 2123 - 2128
(2007/10/02)
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- PHENYLTHIOCOPPER TRIMETHYLPHOSPHITE COMPLEX. A REAGENT FOR THE PREPARATION OF THIOALLENES.
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The title complex reacts with propargyl halides and, in situ generated, propargyl mesylates to produce thioallenes in good yields, via an allylic inversion.
- Bridges, Alexander J.
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p. 4401 - 4404
(2007/10/02)
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