3695-79-2Relevant articles and documents
Sulfonic acid esters
-
, (2008/06/13)
A novel process for the amidation or esterification which comprises reacting a compound having a carboxy group with a compound having an amino or imino group which can be acylated or with a compound having a hydroxy group in the presence of a sulfonic acid ester of the formula: wherein R1 is an organic group and R2 O-- is a residue of a strongly acidic N-hydroxy compound as a condensation agent, and a novel sulfonic acid ester useful as such a condensation agent and a process for the preparation thereof.
3-(5-NITRO-2-PYRIDON-1-YL)-1,2-BENZOISOTHIAZOLE 1,1-DIOXIDE (BID-NPy) AS A NEW EFFECTIVE CONDENSING REAGENT
Ahmed, Alauddin,Fukuda, Hirohiko,Inomata, Katsuhiko,Kotake, Hiroshi
, p. 1161 - 1164 (2007/10/02)
3-(5-Nitro-2-pyridon-1-yl)-1,2-benzoisothiazole 1,1-dioxide (BID-NPy) was found to be a useful condensing reagent.Various dipeptides and esters were prepared in good yields using this reagent.
The conversion of L-beta-chloroalanine peptides to L-cysteine peptides.
Wilchek,Zioudrou,Patchornik
, p. 2865 - 2867 (2007/10/06)
-