Inhibition of muscarinic receptor binding and acetylcholine-induced contraction of guinea pig ileum by analogs of 5'-(isobutylthio)adenosine
作者:Marvin C. Pankaskie、James F. Kachur、Tokuo Itoh、Richard K. Gordon、Peter K. Chiang
DOI:10.1021/jm00146a027
日期:1985.8
derivatives have been shown to produce a variety of biological effects on the basis of the hypothesis that such agents act directly as inhibitors of transmethylation reactions, as inhibitors of S-adenosylhomocysteine hydrolase, or as inhibitors of polyamine biosynthesis. We report here the ability of selected analogues of SIBA to inhibit the binding of the muscarinic antagonist quinuclidinyl benzilate
Potential inhibitors of S-adenosylmethionine-dependent methyltransferases. 8. Molecular dissections of carbocyclic 3-deazaadenosine as inhibitors of S-adenosylhomocysteine hydrolase
作者:D. Michael Houston、E. K. Dolence、Bradley T. Keller、Usha Patel-Thombre、Ronald T. Borchardt
DOI:10.1021/jm00382a014
日期:1985.4
analogues were tested as inhibitors of bovine liver S-adenosyl-L-homocysteine (AdoHcy) hydrolase (EC 3.3.1.1) and as inhibitors of vaccinia virus (WR) replication in clone 929 mouse L cells and the results were compared to those observed for the parent compound, 3-deaza-C-Ado. 4-Amino-1-(2,3-dihydroxy-1-propyl)imidazo[4,5-c]pyridine (14), the analogue which included the 1'-, 2'-, and 3'-carbons of 3-deaza-C-Ado
SECRIST, J. A.;BRASH, R. M.;GRAY, R. J.;COMBER, R. N.;MONTGOMERY, J. A., NUCLEOSIDES AND NUCLEOTIDES, 8,(1989) N-6, C. 1153-1154
作者:SECRIST, J. A.、BRASH, R. M.、GRAY, R. J.、COMBER, R. N.、MONTGOMERY, J. A.
DOI:——
日期:——
MONTGOMERY, J. A.;CLAYTON, S. D.
作者:MONTGOMERY, J. A.、CLAYTON, S. D.
DOI:——
日期:——
Potential inhibitors of S-adenosylmethionine-dependent methyltransferases. 10. Base- and amino acid modified analogs of S-aristeromycinyl-L-homocysteine
作者:D. Michael Houston、Bozena Matuszewska、Ronald T. Borchardt
DOI:10.1021/jm00382a016
日期:1985.4
by oxidation of S-aristeromycinyl-L-homocysteine. The various base- and amino acid modified analogues of S-aristeromycinyl-L-homocysteine were inactive as inhibitors of catechol O-methyltransferase. In contrast, the 3-deaza analogue was a good inhibitor (Ki = 20.5 +/- 1 microM) of phenylethanolamine N-methyltransferase whereas S-aristeromycinyl-D-homocysteine was an excellent inhibitor (Ki = 10.4 +/-
合成了一系列的S-arasteromycinyl-L-homocysteine碱基和氨基酸修饰的类似物,一个碳环核苷,并评估为S-腺苷-L-蛋氨酸依赖性甲基转移酶的抑制剂,包括邻苯二酚O-甲基转移酶,苯乙醇胺N-甲基转移酶和组胺N-甲基转移酶。通过相应的碳环5'-氯-5'-脱氧核苷与L-高半胱氨酸或L-高半胱氨酸原位生成的同型半胱氨酸的阴离子反应,制备碱基修饰的类似物(8-氮杂氮腺嘌呤,3-脱氮杂氮腺嘌呤和N6-甲基腺嘌呤) Na /液体NH3中的S-苄基-L-高半胱氨酸或在碱性溶液中与DL-高半胱氨酸硫代内酯。在Na /液体NH3反应中使用D-高半胱氨酸制备S-阿奇霉素-D-高半胱氨酸。亚砜和砜类似物是通过S-aristeromycinyl-L-homocysteine的氧化制备的。S-aristeromycinyl-L-homocysteine的各种碱基和氨基酸修饰的类似物作为邻苯二酚