✦ LIBER ✦

Regioselective SN′ allylic substitution versus 1,4-addition: Synthesis of α-substituted β,γ-unsaturated esters

✍ Scribed by C Girard; I Romain; M Ahmar; R Bloch

Publisher: Elsevier Science
Year: 1989
Tongue: French
Weight: 245 KB
Volume: 30
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)70708-8

No coin nor oath required. For personal study only.

✦ Synopsis

The reaction of the higher order organocuprate reagents RZCu(CNjLi2-BF3 with y-bromo a$unsaturated esters gives with very high selectivity cr-suhsrituted &~unsaturated esters arising from a SN allylic substitution. This reaction allows an easy access to cy-silyl P,yunsaturated esters~

📜 SIMILAR VOLUMES

Synthesis of α-substituted γ,δ-unsaturat

Synthesis of α-substituted γ,δ-unsaturated β-oxo esters

✍ J. A. M. van den Goorbergh; A. van der Gen 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 647 KB

Regioselectivity in electrochemical addi

Regioselectivity in electrochemical additions of the allyl groups in substituted allyl halides to α,β-unsaturated esters or acetone

✍ Shohei Satoh; Hiroshi Suginome; Masao Tokuda 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 248 KB

Electrochemical additions of the ally1 groups in substituted ally1 halides to some CC,@ unsaturated esters took place in a regioselective manner at either of their a-or y-carbon terminus, whereas regioselectivity in the addition to acetone was found to be controlled by changing a cathode material or

Diastereoselective Addition of Silyl Met

Diastereoselective Addition of Silyl Metals to γ-Alkoxy Substituted α,β-Unsaturated Esters.

✍ Alain Krief; Willy Dumont; Diane Baillieul 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 27 KB 👁 1 views

## Abstract For Abstract see ChemInform Abstract in Full Text.

Highly Regioselective, Three-Component R

Highly Regioselective, Three-Component Reactions of Diazoacetates with Anilines and β,γ-Unsaturated α-Keto Esters: 1,2-Addition versus 1,4-Addition

✍ Yingguang Zhu; Changwei Zhai; Liping Yang; Wenhao Hu 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 423 KB 👁 1 views

Synthesis of α,β-Unsaturated γ-Lactams v

Synthesis of α,β-Unsaturated γ-Lactams via Asymmetric Iridium-Catalyzed Allylic Substitution.

✍ Stephanie Spiess; Carola Berthold; Robert Weihofen; Guenter Helmchen 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 40 KB 👁 1 views

ChemInform Abstract: Highly Regioselecti

ChemInform Abstract: Highly Regioselective, Three-Component Reactions of Diazoacetates with Anilines and β,γ-Unsaturated α-Keto Esters: 1,2-Addition versus 1,4-Addition.

✍ Yingguang Zhu; Changwei Zhai; Liping Yang; Wenhao Hu 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 45 KB 👁 2 views

## Abstract The course of the reaction is highly dependent on the electronic nature of the diazoacetates.