Journal ArticleDOI
Preparation of β-keto esters by 4-DMAP-catalyzed ester exchange
About:
This article is published in Journal of Organic Chemistry.The article was published on 1985-09-01. It has received 123 citations till now.read more
Citations
More filters
Journal ArticleDOI
New Paradigms for Organic Catalysts: The First Organocatalytic Living Polymerization
TL;DR: A metal-free approach to the living ring-opening polymerization (ROP) of lactide has been developed using strongly basic amines such as 4-(dimethylamino)pyridine as transesterification catalysts.
Journal ArticleDOI
Novel distannoxane-catalyzed transesterification and a new entry to α, β-unsaturated carboxylic acids
TL;DR: In this paper, a distannoxane-catalyzed transesterification reaction has been developed which affords various types of esters under very mild conditions and is applied to the stereo and regioselective synthesis of trisubstituted α,β-unsaturated carboxylic acids.
Journal ArticleDOI
Dihydropyrimidin-(2H)-ones obtained by ultrasound irradiation: a new class of potential antioxidant agents.
Hélio A. Stefani,Carlindo B. Oliveira,Roberta B. Almeida,Claudio Martim Pereira de Pereira,Rodolpho C. Braga,Rodrigo Cella,V. C. Borges,Lucielli Savegnago,Cristina W. Nogueira +8 more
TL;DR: An efficient and simple synthetic protocol for the Biginelli reaction has been developed for the preparation of several new dihydropyrimidinones, under ultrasound irradiation in the presence of NH(4)Cl, in good yields and short reaction time.
Journal ArticleDOI
Synergism between microwave and enzyme catalysis in intensification of reactions and selectivities: transesterification of methyl acetoacetate with alcohols
TL;DR: In this paper, the authors focus on the transesterification of methyl acetoacetate, a β-keto ester, with various alcohols in the presence of immobilized lipases the influence of microwave irradiation.