摘要:
This invention is related to a method for producing 3-{4-[3-(1-pyrrolidinyl)propoxy]phenyl}-5-trifluoromethyl-4(3H)-quinazolinone comprising a step for reacting 2-methyl-5-trifluoromethyl-4H-3,1-benzoxazin-4-one with 4-[3-(1-pyrrolidinyl)propoxy]aniline or an acid-addition salt thereof, or 4-(1-cyclobutyl-4-piperidinoy9oxyaniline or acid addition salt thereof in the presence of an acid catalyst.
摘要:
A method by which a halogen atom of a halogen compound can be efficiently replaced with an electrophilic group.Also provided are: a reagent for converting a functional group through a halogen-metal exchange reaction, characterized by comprising either a mixture of a magnesium compound represented by the formula R1—Mg—X (I) (wherein R1 represents a halogen atom or an optionally substituted hydrocarbon residue; and X1 represents a halogen atom) and an organolithium compound represented by the formula R2—Li (II)(wherein R2 represents an optionally substituted hydrocarbon residue) or a product of the reaction of the magnesium compound with the organolithium compound; and a process for producing with the reagent a compound in which a halogen atom of a halogen compound has been replaced with an electrophilic group.
摘要:
The present invention provides a process for industrially advantageously producing a compound represented by the formula (I): or a pharmaceutically acceptable salt thereof, which is useful as an anticancer agent, and also provides a catalyst used for hydrogenation reaction in the process.
摘要:
Peptides having the formula ##STR1## inhibit the binding of endothelin to its receptor and are useful in treating diseases associated with excess production or secretion of endothelin.
摘要:
There are disclosed bicyclo[3.3.0]octene derivatives having the following formula: ##STR1## wherein R.sup.1 is a straight, branched or cyclic alkyl group or alkenyl group each having 5 to 10 carbon atoms; andR.sup.2 and R.sup.3 are each separately a hydrogen atom or a protective group of a hydroxy group,and process for producing the same. These compounds and the process for producing them are available for producing a 9(0)-methano-.DELTA.6(9.alpha.)-PGI.sub.1.
摘要:
Disclosed is an efficient and widely-applicable method for commercially producing a thioether compound or a thiol compound which is useful as a pharmaceutical compound or a production intermediate of it. Specifically disclosed is a method for producing a thioether compound represented by the general formula [I] below or a salt thereof. This method is characterized in that a compound represented by the following general formula [III]: [III] (wherein X represents a bromine atom, a chlorine atom or a trifluoromethylsulfonyloxy group, and ring A represents an aryl group or a heteroaryl ring group) or a salt thereof is reacted with a thiol compound represented by the following general formula [II]: [II] or a salt thereof in the presence of a palladium compound such as Pd2(dba)3, a base such as i-Pr2NEt and a phosphorus compound represented by the following formula [AA].
摘要翻译:公开了用于商业生产硫醚化合物或硫醇化合物的有效和广泛应用的方法,其可用作药物化合物或其制备中间体。 具体公开了由下述通式[I]表示的硫醚化合物或其盐的制备方法。 该方法的特征在于由以下通式[III]表示的化合物:[III](其中X表示溴原子,氯原子或三氟甲基磺酰氧基,环A表示芳基或杂芳基环基) 或其盐与下列通式[II]表示的硫醇化合物:[II]或其盐在钯化合物如Pd 2(dba)3,诸如i-Pr 2 N Et的碱和 由下式[AA]表示的磷化合物。
摘要:
The present invention relates to an industrially preferable process for producing an indolopyrrolocarbazole derivative represented by the formula (I): or a pharmaceutically acceptable salt thereof, which is useful as an anti-cancer agent. The above process comprises treating a compound represented by the formula (V): or a pharmaceutically acceptable salt thereof, a solvate thereof or a salt thereof, with a base in an inert solvent, followed by treatment with an acid, and further treating the resulting reaction solution with a base in an inert solvent and subsequently with an acid, and then reacting the resulting compound with an acid addition salt of hydrazine diol in the presence of an acid scavenger, followed by removal of protecting group(s) from the resulting compound.
摘要:
Michael addition conducted in the presence of a zinc-amine complex and additional amounts of the amine component results in product with high diastereomeric excess.
摘要:
A heteroaromatic ring-fused cyclopentene derivative of the formula: ##STR1## wherein the variables are as defined in the specification; or a pharmaceutically acceptable salt thereof.
摘要:
The invention relates to compounds which are antagonists of endothelin, to processes for their preparation, and to their use as pharmaceuticals. The compounds of the invention are Useful in the treatment of hypertension, pulmonary hypertension, Reynaud's disease, myocardial infarction, angina pectoris, acute renal failure, cerebral infarction, cerebral vasospasm, arteriosclerosis, asthma, endotoxin shock, endotoxin-induced multiple organ failure or disseminated intravascular coagulation, and/or cyclosporin-induced renal failure or hypertension.