NaBH4 reduction of citraconimide derivatives regioselectively afforded 5-hydroxy-4-methyl-1,5-dihydropyrrol-2-ones, whereas NaBH4–CeCl3 or DIBAL-H reduction gave 5-hydroxy-3-methyl-1,5-dihydropyrrol-2-ones.
[EN] PLANT GROWTH REGULATING COMPOUNDS<br/>[FR] COMPOSÉS RÉGULATEURS DE LA CROISSANCE DES PLANTES
申请人:SYNGENTA PARTICIPATIONS AG
公开号:WO2015128321A1
公开(公告)日:2015-09-03
The present invention relates to novel heterocyclic derivatives of Formula (I), to processes and intermediates for preparing them, to plant growth regulator and seed germination promoting compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
FILM FORMING MATERIAL FOR LITHOGRAPHY, COMPOSITION FOR FILM FORMATION FOR LITHOGRAPHY, UNDERLAYER FILM FOR LITHOGRAPHY, AND METHOD FOR FORMING PATTERN
申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:US20210165327A1
公开(公告)日:2021-06-03
An object of the present invention is to provide a film forming material for lithography that is applicable to a wet process, and is useful for forming a photoresist underlayer film excellent in heat resistance, etching resistance, embedding properties to a supporting material having difference in level, and film flatness; and the like. The problem described above can be solved by the following film forming material for lithography. A film forming material for lithography comprising:
a compound having a group of formula (0A):
(In formula (0A),
R
A
is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and
R
B
is an alkyl group having 1 to 4 carbon atoms.); and
a compound having a group of formula (0B):