Enantiospecific Synthesis of 1,3‐Disubstituted Allenes from Propargylic Carbonates through a Borylation‐1,2‐Elimination Process

Author:

Jarava‐Barrera Carlos1,Parra Alejandro1,Quesada Sergio1,Orgaz‐Gordillo Sergio1,Fernández de la Pradilla Roberto2,Viso Alma2ORCID,Teresa Javier1,Alonso Inés13,Tortosa Mariola13ORCID

Affiliation:

1. Organic Chemistry Department Center for Innovation in Advanced Chemistry (ORFEO-CINQA) Universidad Autónoma de Madrid (UAM) 28049 Madrid Spain

2. Instituto de Química Orgánica General (IQOG) CSIC Juan de la Cierva 3 28006 Madrid Spain

3. Institute for Advanced Research in Chemical Sciences (IAdChem) Universidad Autónoma de Madrid (UAM) 28049 Madrid Spain

Abstract

AbstractAn array of enantioenriched vinyl boronates bearing an allylic carbonate moiety have been prepared through selective hydroboration of propargyl carbonates. Treatment of these vinyl boronates with TBAF in THF affords enantioenriched 1,3‐disubstituted allenes through a novel 1,2‐anti elimination in good yields and high enantiospecificities.

Funder

Ministerio de Ciencia e Innovación

Publisher

Wiley

Subject

General Chemistry

Reference58 articles.

1.  

2. Modern Allene Chemistry (Eds: N. Krause A. S. K. Hashmi) Wiley-VCH Weinheim 2004;

3. Some Typical Advances in the Synthetic Applications of Allenes

4. Cumulenes and Allenes Science of Synthesis Vol 44(Ed.: N. Krause) Thieme Stuttgart 2007;

5. Allenes in Molecular Materials

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