Synthesis and crystal structures of palladium complexes based on <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math>-amino-oximes derived from (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>R</mml:mi></mml:math>)-limonene and their application in allylic alkylation of 1,3-dioxo compounds
作者:Yasmina Homrani、Mohamed Amin El Amrani、Pauline Loxq、Frédéric Capet、Isabelle Suisse、Mathieu Sauthier
DOI:10.5802/crchim.142
日期:——
Résumés Anglais Français Coordination compounds Pd(L1)Cl 2 , Pd(L2)Cl 2 , and Pd(L3)Cl 2 have been synthesized from optically pure α-amino-oxime ligands L1–L3 based on (R)-limonene. Structures of the new palladium complexes are characterized and described by NMR spectroscopy and X-rays. These α-amino-oxime ligands were then evaluated in the palladium-catalysed allylation of 1,3-dioxo compounds. Supplementary Materials: Supplementary material for this article is supplied as a separate file: crchim-142-suppl.pdf Les complexes Pd(L1)Cl 2 , Pd(L2)Cl 2 , et Pd(L3)Cl 2 ont été synthétisés à partir des ligands α-amino-oxime L1-L3 issus du (R)-limonene. Ces nouveaux complexes de palladium ont été carractérisés par RMN et diffraction aux rayons X. Les ligands α-amino-oxime associés à des précurseurs de palladium ont été évalués sur des réactions d’alkylation allylique. Compléments : Des compléments sont fournis pour cet article dans le fichier séparé : crchim-142-suppl.pdf
摘要
Pd-catalyzed cycloisomerization–allylation of 4-alkynones: synthesis of 5-homoallylfuran derivatives
作者:Akio Saito、Yohei Enomoto、Yuji Hanzawa
DOI:10.1016/j.tetlet.2011.06.037
日期:2011.8
In the presence of Pd-2(dba)(3)-fBu(3)P catalyst and Cs2CO3, cycloisomerization-allylation reactions of 4-alkynone derivatives with allyl carbonates in MeCN proceed in 5-exo mode to give highly-substituted furans having homoallyl groups at 5-position. (C) 2011 Elsevier Ltd. All rights reserved.