Complex catalyst, process for producing the complex catalyst, and process for producing alchohol derivative with the complex catalyst
申请人:——
公开号:US20040077487A1
公开(公告)日:2004-04-22
There are provided (asymmetric) complex catalysts comprising metal complexes and Lewis acids as components, the metal complex being of formula (1):
1
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
and R
8
are the same or different and are independently hydrogen, halogen, alkyl or the like; one of R
9
and R
10
is hydrogen and the other is alkyl of 1 to 4 carbon atoms or the like; Q is a single bond or alkylene of 1 to 4 carbon atoms; M is a metal ion; and A is a balancing counter ion or ligand; processes for the production of these complex catalysts; processes for the production of (optically active) alcohol derivatives, characterized in that cyclic ether compounds are reacted with phenol derivatives in the presence of these complex catalysts; and further processes for producing (optically active) nitrogen-containing heterocyclic compounds by reacting these alcohol derivatives with halogenated nitrogen-containing heterocyclic compounds in the presence of a base.
Pyridazinone and triazinone compounds and use thereof as pharmaceutical preparations
申请人:Nagato Satoshi
公开号:US20060189622A1
公开(公告)日:2006-08-24
The present invention provides a novel compound exhibiting an excellent inhibitory action on AMPA receptor and/or kainate receptor. That is, it provides a compound represented by the following formula, a salt thereof or a hydrate of them.
In the formula, A
1
, A
2
and A
3
are independent of each other and each represents a C
3-8
cycloalkyl group, a C
3-8
cycloalkenyl group, a 5- to 14-membered non-aromatic heterocyclic group, a C
6-14
aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may be substituted; Q represents O, S or NH; Z represents C or N; X
1
, X
2
and X
3
are independent of each other and each represents a single bond, an optionally substituted C
1-6
alkylene group, an optionally substituted C
2-6
alkenylene group, an optionally substituted C
2-6
alkynylene group, —NH—, —O—, —NHCO—, —CONH—, —SO
0-2
—, etc.; R
1
and R
2
are independent of each other and each represents a hydrogen atom or an optionally substituted C
1-6
alkyl group, or R
1
and R
2
may be bound together such that CR
2
-ZR
1
forms C═C; and R
3
represents a hydrogen atom or an optionally substituted C
1-6
alkyl group etc., or may be bound to any atom in A
1
or A
3
to form, together with the atom, an optionally substituted C
5-8
hydrocarbon ring or an optionally substituted 5- to 8-membered heterocyclic ring.
PYRIDAZINONES AND TRIAZINONES AND MEDICINAL USE THEREOF
申请人:Eisai Co., Ltd.
公开号:EP1319659A1
公开(公告)日:2003-06-18
The present invention provides a novel compound exhibiting an excellent inhibitory action on AMPA receptor and/or kainate receptor. That is, it provides a compound represented by the following formula, a salt thereof or a hydrate of them.
In the formula, A1, A2 and A3 are independent of each other and each represents a C3-8 cycloalkyl group, a C3-8 cycloalkenyl group, a 5- to 14-membered non-aromatic heterocyclic group, a C6-14 aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may be substituted; Q represents O, S or NH; Z represents C or N; X1, X2 and X3 are independent of each other and each represents a single bond, an optionally substituted C1-6 alkylene group, an optionally substituted C2-6 alkenylene group, an optionally substituted C2-6 alkynylene group, -NH-, -O-, -NHCO-, -CONH-, -SO0-2-, etc.; R1 and R2 are independent of each other and each represents a hydrogen atom or an optionally substituted C1-6 alkyl group, or R1 and R2 may be bound together such that CR2-ZR1 forms C=C; and R3 represents a hydrogen atom or an optionally substituted C1-6 alkyl group etc., or may be bound to any atom in A1 or A3 to form, together with the atom, an optionally substituted C5-8 hydrocarbon ring or an optionally substituted 5- to 8-membered heterocyclic ring.