PEPTIDE PURIFICATION METHOD USING SULFONATE COMPOUND
申请人:Nagase & Co., Ltd.
公开号:EP3851446A1
公开(公告)日:2021-07-21
The present application provides a method for purifying a target peptide, comprising mixing a peptide product obtained through a peptide synthesis with a solvent in the presence of a sulfonic acid compound to obtain a solid; and performing a solid-liquid separation to collect the solid.
RADIATION-SENSITIVE RESIN COMPOSITION, METHOD FOR FORMING PATTERN, AND METHOD FOR PRODUCING MONOMERIC COMPOUND
申请人:JSR CORPORATION
公开号:US20210284773A1
公开(公告)日:2021-09-16
A radiation-sensitive resin composition includes: a resin containing a structural unit A represented by formula (1); at least one radiation-sensitive acid generator selected from the group consisting of a radiation-sensitive acid generator represented by formula (2-1) and a radiation-sensitive acid generator represented formula (2-2); and a solvent. At least one R
3
is an acid-dissociable group; and R
41
is a hydrogen atom or a protective group to be deprotected by action of an acid. At least one of R
f1
and R
f2
is a fluorine atom or a fluoroalkyl group; R
5a
is a monovalent organic group having a cyclic structure; X
1
+
is a monovalent onium cation; R
5b
is a monovalent organic group, and X
2
+
is a monovalent onium cation whose atom having a positive charge is not an atom forming a cyclic structure.