PROCESS FOR PRODUCTION OF 2-(HYDROXYMETHYL)CYCLO- PROPANECARBOXYLIC ACIDS
申请人:Sumitomo Chemical Company, Limited
公开号:EP1538141A1
公开(公告)日:2005-06-08
There is provided a production method of a compound of formula (2):
wherein R1, R2 and R3 are as defined below,
which comprises reacting
a 2-(hydroxymethyl)cyclopropanecarboxylic compound of formula (1):
wherein and R1 represent a hydrogen, a linear, branched or cyclic alkyl group, a substituted or unsubstituted aryl group,
R2 and R3 are the same or different and represent a hydrogen atom or a methyl group, and
R4 represents C1-2 alkyl group substituted with at lest one group selected from the group consisting of a substituted aryl group and an unsubstituted aryl group,
with a hydrogen-donor in the presence of a catalyst selected from the group consisting of ruthenium catalyst, cobalt catalyst, rhodium catalyst, nickel catalyst, palladium catalyst and a platinum catalyst.
Process for production of formylcyclopropanecarboxylic ester
申请人:Minamida Ryo
公开号:US20050240050A1
公开(公告)日:2005-10-27
There is provided a production method of formylcyclopropanecarboxylate compound of formula (2):
wherein R
1
and R
2
are as defined below,
which comprises reacting
a cyclopropanecarboxylate compound of formula (1):
wherein and R
1
represent a linear, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group,
R
2
represents a hydrogen atom or a methyl group, with at least one oxidizer selected from the group consisting of hypohalite, N-halosuccinimide, a trichloroisocyanuric acid, and iodine, in the presence of a nitroxy radical compound.
提供了一种式(2)的甲酰基环丙烷羧酸化合物的生产方法:
其中 R
1
和 R
2
定义如下、
其中包括
式 (1) 的环丙烷羧酸化合物:
其中和 R
1
代表直链、支链或环状烷基、取代或未取代的芳基或取代或未取代的芳烷基、
R
2
代表氢原子或甲基,在硝基化合物的存在下,与至少一种选自次卤酸、N-卤代丁二酰亚胺、三氯异氰尿酸和碘组成的组的氧化剂反应。
Process for production of 2-(hydroxymethyl)cyclo-propanecarboxylic acids
申请人:Minamida Ryo
公开号:US20050288526A1
公开(公告)日:2005-12-29
There is provided a production method of a compound of formula (2):
wherein R
1
, R
2
and R
3
are as defined below,
which comprises reacting
a 2-(hydroxymethyl)cyclopropanecarboxylic compound of formula (1):
wherein and R
1
represent a hydrogen, a linear, branched or cyclic alkyl group, a substituted or unsubstituted aryl group,
R
2
and R
3
are the same or different and represent a hydrogen atom or a methyl group, and
R
4
represents C1-2 alkyl group substituted with at lest one group selected from the group consisting of a substituted aryl group and an unsubstituted aryl group, with a hydrogen-donor in the presence of a catalyst selected from the group consisting of ruthenium catalyst, cobalt catalyst, rhodium catalyst, nickel catalyst, palladium catalyst and a platinum catalyst.
提供了一种式(2)化合物的生产方法:
其中 R
1
, R
2
和 R
3
的定义如下、
其中包括
式(1)的 2-(羟甲基)环丙烷羧酸化合物:
其中和 R
1
代表氢、直链、支链或环状烷基、取代或未取代的芳基、
R
2
和 R
3
相同或不同,代表氢原子或甲基,以及
R
4
代表在选自钌催化剂、钴催化剂、铑催化剂、镍催化剂、钯催化剂和铂催化剂的催化剂存在下,被至少一个选自取代芳基和未取代芳基的基团取代的 C1-2 烷基。