41997-33-5Relevant articles and documents
Silica Chloride: A Versatile Heterogeneous Catalyst for Esterification and Transesterification
Srinivas,Mahender,Das, Biswanath
, p. 2479 - 2482 (2007/10/03)
Silica chloride has been found to be an efficient catalyst for esterification of carboxylic acids (aliphatic, aromatic and conjugated) with alcohols (primary, secondary and tertiary) as well as for transesterification of esters (by both alcoholysis and acidolysis).
A Simple and Efficient Selective Esterification of Aliphatic Carboxylic Acids in the Presence of Aromatic Carboxylic Acids
Das, Biswanath,Venkataiah, B.,Madhusudhan, P.
, p. 59 - 60 (2007/10/03)
Aliphatic carboxylic acids were esterificated selectively at room temperature in the presence of aromatic carboxylic acids by treatment with alcohols in the presence of silica gel supported NaHSO4 catalyst.
Oxazolophanes as masked cyclopeptide alkaloid equivalents: Cyclic peptide chemistry without peptide couplings
Lipshutz, Bruce H.,Huff, Bret E.,McCarthy, Keith E.,Miller, Todd A.,Jaweed Mukarram,Siahaan, Teruna J.,Vaccaro, Wayne D.,Webb, Hugh,Falick, Arnold M.
, p. 7032 - 7041 (2007/10/02)
Synthetic studies on the preparation of heteroatom-substituted, novel [3.3]oxazolophanes as precursors to the 14-membered ring system characteristic of the cyclopeptide alkaloids are reported. Simpler model systems are discussed, as is the successful form
