Journal
GREEN CHEMISTRY
Volume 21, Issue 23, Pages 6335-6341Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9gc03013a
Keywords
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Funding
- National Natural Science Foundation of China [91856108]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT-17R14]
- Fundamental Research Funds for the Central Universities [DUT18LK55]
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The cascade reaction of CO2, vicinal diols, and propargylic alcohol, was firstly achieved by dual Lewis base (LB) organocatalytic systems involving LB-CO2 adducts and commercially available organic amines. This methodology could overcome the chemical inertness of CO2, providing an alternative route to various functionalized five-membered cyclic carbonates in moderate to high yields under mild reaction conditions (25 degrees C, 1.0 atm of CO2). More importantly, this method could also be applied for facile and efficient synthesis of chiral polycyclic carbonates from biomass-derived polyols with complete configuration retention of chiral centers. This study provides an environment-friendly, scalable and cost effective protocol to construct value-added cyclic carbonates with multi-functional groups and chiral centers.
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