A diastereoselective Mannichreaction of simple α-fluoro ketones with N-tert-butylsulfinylimines was developed. This method provides a concise route to a variety of structurally diverse α-fluoro-β-amino ketones containing fluorinated stereogenic carbon centers; good yields and high diastereoselectivities were achieved. This method uses readily accessible starting materials and has a broad substrate
RADIATION-SENSITIVE RESIN COMPOSITION, METHOD FOR FORMING RESIST PATTERN, ACID GENERATING AGENT AND COMPOUND
申请人:JSR CORPORATION
公开号:US20130078579A1
公开(公告)日:2013-03-28
A radiation-sensitive resin composition includes an acid generating agent to generate a compound represented by a following formula (1) by irradiation with a radioactive ray. In the formula (1), R
1
represents a monovalent organic group having 1 to 20 carbon atoms. R
2
represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. The compound represented by the formula (1) is preferably a compound represented by a following formula (1-1). In the formula (1-1), R
2
is as defined in the above formula (1). X represents an electron attractive group. R
3
represents a monovalent organic group having 1 to 20 carbon atoms.
The present invention relates to methods for changing the load state of MHC molecules with ligands, the change in the load state being catalysed by a compound of formulae I, IA, II, III or IV1 to IV3. The invention relates further to the use of compounds of formulae I, IA, II, III or IV1 to IV3 or to the use of MHC molecules loaded with ligands, which molecules can be prepared by a method according to the invention, for the treatment of disorders or conditions that are associated with various pathologically excessive or absent immune responses and also for triggering tumour-specific, pathogen-specific or autoreactive immune responses. The invention additionally relates to the use of such compounds for the treatment and diagnosis of cancer, infectious diseases, autoimmune diseases and for attenuating aggressive immune reactions, as well as to the preparation of a vaccine or of a pharmaceutical composition for the treatment of the mentioned disorders or conditions.