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Journal of Organometallic Chemistry

Journal of Organometallic Chemistry

IF: 2.1
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Reactivity of tert-butanesulfinamides in palladium-catalyzed allylic substitutions

Published:15 June 2014 DOI: 10.1016/j.jorganchem.2013.11.026
Laetitia Mistico , Emel Ay , Vaizanne Huynh , Aurelie Bourderioux , Fabrice Chemla , Franck Ferreira , Julie Oble , Alejandro Perez-Luna , Giovanni Poli , Guillaume Prestat

Abstract

The performance of tert-butanesulfinamides as nitrogen nucleophiles in Pd(0)-catalyzed allylic substitution reactions has been investigated. Metalated N-alkyl and N-acetyl sulfinamides have been identified as suitable partners for the reaction with π-allyl–palladium complexes. The cross-coupling of N-acetyl tert-butanesulfinamide with 2- or 3-substituted linear allylic carbonates is achieved in the presence of Pd(OAc)2 (5?mol%) and dppe (7.5?mol%) and does not require an additional base. The reaction proceeds in high yields (59–98%) to produce the corresponding E-configured linear allylic sulfinamides in a totally regioselective and highly diastereoselective manner. The sulfur atom remains configurationally stable throughout the allylation process, and thus the coupling products are obtained in enantiomerically pure form.

Substances (4)

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Procduct Name CAS Molecular Formula Supplier Price
Palladium (II) Acetate 3375-31-3 Pd(CH3COO)2 688 suppliers $10.00-$8210.00
Tesmilifene 98774-23-3 C19H25NO 106 suppliers Inquiry
(R)-N-(4-NITROPHENYL) TERT-BUTANESULFINAMIDE 1372133-70-4 C10H14N2O3S 5 suppliers Inquiry
PD(0) ENCAT 30NP 4 suppliers Inquiry

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