钠 、 3-氯苯酚 、 1-Chloro-3-phosphanylpropan-2-one 在
氯化钠 、 苯 作用下,
以
甲醇钠 为溶剂,
反应 4.0h,
以Thus 97 g of the crystalline title compound are obtained的产率得到1-(3-Chlorophenoxy)-3-phosphanylpropan-2-one
参考文献:
名称:
2,3,4-trinor-1,5-inter-meta-phenylene-prostacyclin compounds useful in
Imidazopyridazines and use as antiasthmatic agents
申请人:Takeda Chemical Industries, Ltd.
公开号:US05155108A1
公开(公告)日:1992-10-13
The imidazo[1,2-b]pyridazine compounds of the formula: ##STR1## wherein R.sub.1 is a hydrogen or halogen atom, or a lower alkyl group optionally having substituent(s), R.sub.2 an R.sub.3 are, independently, a hydrogen atom, a lower alkyl group optionally having substituent(s), a cycloalkyl group or a phenyl group optionally having substituent(s) or R.sub.2 and R.sub.3 together with the adjacent nitrogen atom to which they bond may form a heterocyclic ring optionally having substituent(s), X is an oxygen atom or S(O)n (n=0 to 2), Alk is a straight or branched chain alkylene group containing 1-10 carbon atoms and optionally having substituent(s), or their pharmaceutically acceptable salts which possess antiallergic, anti-inflammatory and anti-PAF activities, and their production and use.
There is disclosed a pharmaceutical composition comprising 1-(5-oxohexyl)-3-methylxanthine in admixture with a pharmaceutically acceptable excipient, wherein the pharmaceutical composition is useful for treating an immune disorder. There is also disclosed a method to modulate the response of a target cell to a stimulus, which method comprises contacting said cell with an amount of 1-(5-oxohexyl)-3-methylxanthine or a pharmaceutical composition thereof, wherein said amount effects a diminution in elevated levels of unsaturated, non-arachidonate phosphatidic acid (PA) and diacylglycerol (DAG) derived from said PA in said cells wherein said elevated levels are stimulated by an agent capable of elevating levels of said PA and said DAG, said diminution being equal to or greater than the diminution effected by treating said cells with pentoxifylline (PTX) at a concentration of 0.5 mmol, thereby modulating the response of said target cell.
2-methyl-5-imino-benzo[D][1 ,3]oxazin[5-B]pyrazole compound, preparation and use thereof
申请人:Qingdao Huanghai Pharmaceutical Co., Ltd
公开号:US07973036B2
公开(公告)日:2011-07-05
The present invention disclosed compound 2-methyl-5-imino-benzo[d][1,3]oxazin[5-b]pyrazole and preparation method and uses thereof. The compound 2-methyl-5-imino-benzo[d][1,3]oxazin[5-b]pyrazole of the present invention has the following structure of formula (II), wherein the compound or pharmaceutically acceptable salts thereof can be used for preparing the drugs for treatment or prevention of cardiovascular diseases.
2-Methyl-5-Imino-Benzo[D][1,3]Oxazin[5-B]Pyrazole Compound, Preparation and Use Thereof
申请人:Su Guoqiang
公开号:US20110118247A1
公开(公告)日:2011-05-19
The present invention disclosed compound 2-methyl-5-imino-benzo[d][1,3]oxazin[5-b]pyrazole and preparation method and uses thereof. The compound 2-methyl-5-imino-benzo[d][1,3]oxazin[5-b]pyrazole of the present invention has the following structure of formula (II), wherein the compound or pharmaceutically acceptable salts thereof can be used for preparing the drugs for treatment or prevention of cardiovascular diseases.
The imidazo[1,2-b]pyridazine compounds of the formula: ##STR1## wherein R.sub.1 is a hydrogen or halogen atom, or a lower alkyl group optionally having substituent(s), R.sub.2 and R.sub.3 are, independently, a hydrogen atom, a lower alkyl group optionally having substituent(s), a cycloalkyl group or a phenyl group optionally having substituent(s) or R.sub.2 and R.sub.3 together with the adjacent nitrogen atom to which they bond may form a heterocyclic ring optionally having substituent(s), X is an oxygen atom or S(O).sub.n (n=0 to 2), Alk is a straight or branched chain alkylene group containing 1-10 carbon atoms and optionally having substituent(s), or their pharmaceutically acceptable salts which possess antiallergic, anti-inflammatory and anti-PAF activities, and their production and use.