摘要:
Novel compounds designated as WS 6049-A and WS 6049-B are disclosed, as well as compositions containing the compounds thereof, a method of treating microbial infections, a method of prolonging the survival time of the patient with lymphocytic leukemia by administering the compounds thereof, and a process for making the WS 6049 substances, are disclosed. As indicated above, the novel compounds have antimicrobial and antileukemic activities which make them useful against a variety of pathogenic microorganisms and leukemic tumors.
摘要:
A biologically pure culture of Streptomyces sandaensis which is capable of producing an antitumor and antimicrobial compound, designated FR-900482 substance, is disclosed.
摘要:
The invention relates to a method for treatment of carcinoma or sarcoma tumor in mammals which comprises administering to said mammal an effective amount of a tetracyclo compound of the formula: ##STR1## in which R.sup.1 is formyl, protected formyl, hydroxymethyl, protected hydroxymethyl, arylaminomethyl, carboxy, protected carboxy, aryliminomethyl, hydroxyiminomethyl, alkoxyiminomethyl, acyloxyiminomethyl, semicarbazonomethyl or arylsemicarbazonomethyl,R.sup.2 is hydroxy, alkoxy, or protected hydroxy,R.sup.3 is hydrogen and R.sup.4 is methyl, hydroxymethyl or protected hydroxymethyl, orR.sup.3 and R.sup.4 are combined together to form methylene or oxo,R.sup.5 is hydroxy, alkoxy or protected hydroxy, andR.sup.6 is hydrogen, imino-protective group or alkyl,and pharmaceutically acceptable salts thereof.
摘要:
New tetracyclo compounds of the formula: ##STR1## in which R.sup.1 is formyl, protected formyl, hydroxymethyl, protected hydroxymethyl, arylaminomethyl, carboxy, protected carboxy or substituted iminomethyl,R.sup.2 is hydroxy, alkoxy or protected hydroxy,R.sup.3 is hydrogen and R.sup.4 is methyl, hydroxymethyl or protected hydroxymethyl, orR.sup.3 and R.sup.4 are combined together to form methylene or oxo,R.sup.5 is hydroxy, alkoxy or protected hydroxy, andR.sup.6 is hydrogen, imino-protective group or alkyl,and pharmaceutically acceptable salts thereof, which have pharmacological activities such as antitumor activity, antimicrobial activity, and the like, and a process for their production and a pharmaceutical composition containing the same.
摘要翻译:新的下式的四环化合物:其中R 1是甲酰基,保护的甲酰基,羟甲基,保护的羟甲基,芳基氨基甲基,羧基,被保护的羧基或取代的亚氨基甲基,R2是羟基,烷氧基或保护的羟基,R3是氢, R 4是甲基,羟甲基或被保护的羟甲基,或者R 3和R 4结合在一起形成亚甲基或氧代,R 5是羟基,烷氧基或保护的羟基,R 6是氢,亚氨基保护基或烷基,及其药学上可接受的盐, 具有抗肿瘤活性,抗菌活性等药理活性,及其制造方法和含有该药物组合物的药物组合物。
摘要:
This invention relates to a biologically active WS-7739-A substance and a biologically active WS-7739-B substance which have pharmacological activities and are useful for the treatment of asthma, thrombosis and the alike.
摘要:
FR-900493 is a compound of molecular formula C.sub.20 H.sub.33 N.sub.5 O.sub.11 which may be recovered from Bacillus cultures, possesses antimicrobial activity, and may be used for the treatment and prevention of infectious diseases in humans and animals.
摘要:
The invention relates to compounds of antihypertensive and antithrombotic activity of the formula or its pharmaceutically acceptable salt: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, or lower alkoxyphenyl,R.sup.2 is hydrogen or lower alkyl,R.sup.4 is lower alkyl,R.sup.6 is hydrogen or lower alkyl,R.sup.7 is lower alkyl which is optionally substituted by hydroxy or lower alkanoyloxy, andR.sup.10 is hydrogen or lower alkyl which is optionally substituted by carboxy or esterified carboxy.
摘要:
A GL-7ACA acylase having the following characteristics:(a) has ability to catalyze the enzymatic conversion of glutaryl 7-ACA, adipyl 7-ACA, and succinyl 7-ACA, into 7-aminocephalosporanic acid,(b) has a molecular weight of 70,000 dalton (SDS-PAGE) and(c) has N-terminal amino acid sequence (SEQ ID NO: 1) thereof: Gln-Ser-Glu-Gln-Glu-Lys-Ala-Glu-Glu-.A process for producing GL-7ACA acylase is also provided.
摘要翻译:具有以下特征的GL-7ACA酰基转移酶:(a)具有催化戊二酰7-ACA,己二酰基7-ACA和琥珀酰基7-ACA酶促转化成7-氨基头孢烷酸的能力,(b)具有分子量 的70,000道尔顿(SDS-PAGE)和(c)具有N-末端氨基酸序列(SEQ ID NO:1):Gln-Ser-Glu-Gln-Glu-Lys-Ala-Glu-Glu-。 还提供了生产GL-7ACA酰基转移酶的方法。