[EN] SELECTIVE VALORIZATION OF BIOMASS SUGARS<br/>[FR] VALORISATION SÉLECTIVE DE SUCRES DE BIOMASSE
申请人:MASSACHUSETTS INST TECHNOLOGY
公开号:WO2021127642A1
公开(公告)日:2021-06-24
Disclosed are methods of forming an epimer or a dehydrated isomer of a pyranose monosaccharide or a pyranose saccharide residue in an oligosaccharide or a glycoside.
公开了在寡糖或糖苷中形成吡喃糖单糖或吡喃糖残基的对映体或脱水异构体的方法。
Enantiomers of absolute configuration S of amide derivatives of
申请人:Delande S.A.
公开号:US05237066A1
公开(公告)日:1993-08-17
Enantiomer of absolute configuration S of formula: ##STR1## where: X=O or S; and Ar denotes a: * phenyl ring substituted with one, two or three C.sub.1 -C.sub.4 alkoxy groups; * phenyl ring substituted at the 2-position with a OCH.sub.3 group and at the 5-position with a halogen atom or a lower alkylcarbonyl group; * phenyl ring substituted at the 2-position with OCH.sub.3, at the 4-position with NH.sub.2 or alkylcarbonyl-NH and at the 5-position with a halogen; * 3-fluoro-2-methoxyphenyl group; * 5-pyrimidinyl group substituted at the 2-position with NH.sub.2 and in the 4-position with alkoxy or phenyloxy. These compounds are useful as medicinal products having activity in respect of gastric movements and antiemetic activity.
Anxiolytic-R-N-(1-azabicyclo[2.2.2]oct-3-yl) benzamides and thiobenzamides
申请人:SYNTHELABO
公开号:EP0311724A1
公开(公告)日:1989-04-19
Compounds of general formula I
wherein
X represents oxygen or sulphur;
each of R1 and R3 independently represents hydrogen or a C1-C4 alkyl group;
Ar represents:
a phenyl ring optionally substituted by one, two or three C1-Ca alkoxy groups and/or by one or two halogen atoms;
a phenyl ring of the general formula
wherein R2 represents halogen, 4,5-benzo, C1-C8 alkoxy, C1-C4 alkylcarbonyl or Am, wherein Am represents amino, methylamino or dimethylamino,
R4 represents C1-C8 alkyl,
n is 1 or 2; or
a pyrimidinyl moiety of the general formula
wherein R5 is C1-C4 alkyl; and their N-oxides and pharmaceutically acceptable salts are useful as anxiolytic agents. A preferred compound is R-(+)-4-amino-N-(1-azabicyclo[2.2.2]oct-3-yl)-5-chloro-2-methoxybenzamide.
通式 I 的化合物
其中
X 代表氧或硫
R1 和 R3 各自独立地代表氢或 C1-C4 烷基;
Ar 代表
一个苯基环,可任选被一个、两个或三个 C1-Ca 烷氧基和/或一个或两个卤素原子取代;
通式如下的苯基环
其中 R2 代表卤素、4,5-苯并、C1-C8 烷氧基、C1-C4 烷基羰基或 Am,其中 Am 代表氨基、甲氨基或二甲氨基、
R4 代表 C1-C8 烷基、
n 是 1 或 2;或
通式如下的嘧啶基分子
其中 R5 是 C1-C4 烷基;它们的 N-氧化物和药学上可接受的盐类可用作抗焦虑剂。一种优选化合物是 R-(+)-4-氨基-N-(1-氮杂双环[2.2.2]辛-3-基)-5-氯-2-甲氧基苯甲酰胺。
Memory enhancing-R-N-(1-azabicyclo[2.2.2] oct-3-yl) benzamides and thiobenzamides
申请人:SYNTHELABO
公开号:EP0353371A1
公开(公告)日:1990-02-07
Compounds of general formula I
wherein:
X represents oxygen or sulphur;
each of R¹ and R³ independently represents hydrogen or a C₁-C₄ alkyl group;
Ar represents:
a phenyl ring optionally substituted by one, two or three C₁-C₄ alkoxy groups and/or by one or two halogen atoms;
a phenyl ring of the general formula
wherein R² represents halogen, 4,5-benzo, C₁-C₈ alkoxy, C₁-C₄ alkylcarbonyl or Am, wherein Am represents amino, methylamino or dimethylamino,
R⁴ represents C₁-C₈ alkyl,
n is 1 or 2; or
a pyrimidinyl moiety of the general formula
wherein R⁵ is C₁-C₄ alkyl;
and their N-oxides and pharmaceutically acceptable salts are useful as memory- and/or learning-enhancing agents. A preferred compound is R-(+)-4-amino-N-(1-azabicyclo[2.2.2]oct-3-yl)-5-chloro-2-methoxybenzamide.
通式 I 的化合物
其中
X 代表氧或硫
R¹ 和 R³ 各自独立地代表氢或 C₁-C₄ 烷基;
Ar 代表
被一个、两个或三个 C₁-C₄ 烷氧基和/或一个或两个卤素原子任选取代的苯基环;
通式如下的苯基环
其中 R² 代表卤素、4,5-苯并、C₁-C₈ 烷氧基、C₁-C₄ 烷羰基或 Am,其中 Am 代表氨基、甲氨基或二甲氨基、
R⁴ 代表 C₁-C₈ 烷基、
n 是 1 或 2;或
通式如下的嘧啶基分子
其中 R⁵ 是 C₁-C₄ 烷基;
及其 N-氧化物和药学上可接受的盐类可用作记忆和/或学习增强剂。一种优选化合物是 R-(+)-4-氨基-N-(1-氮杂双环[2.2.2]辛-3-基)-5-氯-2-甲氧基苯甲酰胺。
Antischizophrenic-S-N-(1-azabicyclo[2.2.2.]oct-3-yl) benzamides and thiobenzamides
申请人:SYNTHELABO
公开号:EP0353372A1
公开(公告)日:1990-02-07
Compounds of general formula I
wherein:
X represents oxygen or sulphur;
each of R¹ and R³ independently represents hydrogen or a C₁-C₄ alkyl group;
Ar represents:
a phenyl ring optionally substituted by one, two or three C₁-C₄ alkoxy groups and/or by one or two halogen atoms;
a phenyl ring of the general formula
wherein R² represents halogen, 4,5-benzo, C₁-C₈ alkoxy, C₁-C₄ alkylcarbonyl or Am, wherein Am represents amino, methylamino or dimethylamino,
R⁴ represents C₁-C₈ alkyl,
n is 1 or 2; or
a pyrimidinyl moiety of the general formula
wherein R⁵ is C₁-C₄ alkyl;
and their N-oxides and pharmaceutically acceptable salts are useful as antischizophrenic and/or antipsychotic agents. A preferred compound is S(-)-4-amino-N-(1-azabicyclo[2.2.2]-oct-3-yl)-5-chloro-2-methoxybenzamide.
通式 I 的化合物
其中
X 代表氧或硫
R¹ 和 R³ 各自独立地代表氢或 C₁-C₄ 烷基;
Ar 代表
被一个、两个或三个 C₁-C₄ 烷氧基和/或一个或两个卤素原子任选取代的苯基环;
通式如下的苯基环
其中 R² 代表卤素、4,5-苯并、C₁-C₈ 烷氧基、C₁-C₄ 烷羰基或 Am,其中 Am 代表氨基、甲氨基或二甲氨基、
R⁴ 代表 C₁-C₈ 烷基、
n 是 1 或 2;或
通式如下的嘧啶基分子
其中 R⁵ 是 C₁-C₄ 烷基;
及其 N-氧化物和药学上可接受的盐类可用作抗精神分裂症和/或抗精神病药物。一种优选化合物是 S(-)-4-氨基-N-(1-氮杂双环[2.2.2]-辛-3-基)-5-氯-2-甲氧基苯甲酰胺。