根据先前的研究表明indicating基团和唑环对血小板的抗凝活性具有药理作用,合成了一系列结构中同时具有hydr和唑(咪唑)环的化合物,并评估了它们对血小板凝集的抑制作用。这些1-(亚芳基氨基)-4-芳基-1H-咪唑-2-胺衍生物中的两种,化合物4a [((E)-1-(苄叉基氨基)-4-苯基-1H-咪唑-2-胺]和4 p [(E)-4-苯基-1-((噻吩-2-基亚甲基)氨基)-1H-咪唑-2-胺]的IC50值类似于乙酰水杨酸作为胶原蛋白的血小板聚集诱导剂。
ALKYLIDENE AMINOGUANIDINE AND SALT THEREOF, MODIFYING COMPOSITION, MODIFIED RUBBER FOR TIRE, RUBBER COMPOSITION FOR TIRE, AND TIRE
申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:US20170129850A1
公开(公告)日:2017-05-11
Provided is a compound represented by formula (1):
wherein X is an acid to form a salt with a guanidine site; and R
1
and R
2
are each independently any selected from the group consisting of a hydrogen atom, a C
1-18
alkyl group, a cycloalkyl group, an aryl group, an alkylaryl group, and an alkenyl group, each of the groups optionally having one or more substituents each containing a sulfur atom, a nitrogen atom, or an oxygen atom.
Synthesis of aryl-hydrazones via ultrasound irradiation in aqueous medium
作者:Ana Cristina Lima Leite、Diogo Rodrigo de M. Moreira、Lucas Cunha Duarte Coelho、Frederico Duarte de Menezes、Dalci José Brondani
DOI:10.1016/j.tetlet.2007.12.103
日期:2008.2
The synthesis of aryl-hydrazones from aromatic aldehydes/ketones and hydrazides (semicarbazide, thiosemicarbazide and aminoguanidine) is described using aqueous medium (acid conditions) under ultrasoundirradiation with short reaction times (20–30 min), the reactions occurring at room temperature and giving rise to good to excellent yields of the products, along with the diastereoselectivities. The
[EN] GUANIDINE DERIVATIVES AND THEIR USE IN THE PRODUCTION OF A MEDICAMENT FOR BLOCKING XANTHINE OXIDASE/DEHYDROGENASE<br/>[FR] DERIVES DE GUANIDINE ET LEUR UTILISATION DANS LA PRODUCTION D'UN MEDICAMENT DESTINE A BLOQUER LES XANTHINE OXYDASES/DESHYDROGENASES
申请人:MELACURE THERAPEUTICS AB
公开号:WO2001025192A1
公开(公告)日:2001-04-12
The present invention relates to guanidine derivatives and pharmaceutically acceptable acid salts thereof. The invention further relates to pharmaceutical preparations containing said compounds, and the use of said compounds for treatment of any type of condition where the expression of xanthine oxidase/xanthine dehydrogenase enzymes is involved. The invention particularly relates to the use of these compounds in the preparation of a medicament for enhancing the survical of a transplanted cell, organ or tissue, or cell, organ or tissue to be transplanted.
ALKYLIDENE AMINOGANIDINE AND SALT THEREOF, MODIFIER COMPOSITION, MODIFIED RUBBER FOR TIRE, RUBBER COMPOSITION FOR TIRE, AND TIRE
申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:EP3156394A1
公开(公告)日:2017-04-19
Provided is a compound represented by formula (1):
wherein X is an acid to form a salt with a guanidine site; and R1 and R2 are each independently any selected from the group consisting of a hydrogen atom, a C1-18 alkyl group, a cycloalkyl group, an aryl group, an alkylaryl group, and an alkenyl group, each of the groups optionally having one or more substituents each containing a sulfur atom, a nitrogen atom, or an oxygen atom.
本发明提供了一种由式(1)表示的化合物:
其中 X 是一种酸,可与胍基点形成盐;R1 和 R2 各自独立地任意选自氢原子、C1-18 烷基、环烷基、芳基、烷芳基和烯基组成的组,每个基团可选择具有一个或多个取代基,每个取代基含有一个硫原子、一个氮原子或一个氧原子。
VULCANIZED RUBBER COMPOSITION AND PRODUCTION PROCESS THEREFOR
申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:EP3508516A1
公开(公告)日:2019-07-10
Provided is a method for producing a vulcanized rubber composition, including: a first kneading step of obtaining a kneaded mixture comprising a rubber component comprising at least one selected from the group consisting of natural rubbers and synthetic rubbers, a filler comprising an inorganic filler, and a sulfur-containing silane coupling agent; a second kneading step of adding sulfur and a vulcanization accelerator to the kneaded mixture, followed by kneading, to thereby obtain an unvulcanized rubber composition; and a vulcanization step of vulcanizing the unvulcanized rubber composition to thereby obtain a vulcanized rubber composition having a glass transition temperature of -30°C to 0°C by; wherein specific aminoguanidines are added, followed by kneading, in the first kneading step.