摘要:
Novel halomethyl derivatives of .alpha.-amino acids of the following general structure: ##STR1## wherein Y is F.sub.2 CH--, F.sub.3 C--, Cl.sub.2 CH--; Z is .beta.-methylthioethyl, .beta.-thioethyl, .beta.-benzylthioethyl; S-(5'-desoxyadenosin-5'-yl)-S-methylthioethyl, .gamma.-guanidinopropyl, R.sub.a HN(CH.sub.2).sub.n -- wherein n is the integer 3 or 4 or ##STR2## wherein Y.sub.2 is F.sub.2 CH--, or F.sub.3 C--; each of R.sub.a and R.sub.b can be the same or different and is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, or ##STR3## wherein R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; R.sub.1 is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, --NR.sub.4 R.sub.5 wherein each of R.sub.4 and R.sub.5 is hydrogen or a lower alkyl group of from 1 to 4 carbon atoms, or ##STR4## wherein R.sub.3 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; and the lactams thereof when Z is R.sub.a HN(CH.sub.2).sub.n -- and each of R.sub.a and R.sub.b is hydrogen; with the provisos that when Z is .gamma.-guanidinopropyl or .beta.-methylthioethyl, Y is FCH.sub.2 --, F.sub.2 CH-- or F.sub.3 C--; when Z is .gamma.-guanidinopropyl, R.sub.1 is hydroxy; and when Z is .beta.-thioethyl, .beta.-benzylthioethyl, S-(5'-desoxyadenosin-5'-yl)-S-methylthioethyl or ##STR5## Y and Y.sub.2 are FCH.sub.2 --, F.sub.2 CH--, or F.sub.3 C-- and are the same, each of R.sub.a and R.sub.b is hydrogen and R.sub.1 is hydroxy; and pharmaceutically acceptable salts and individual optical isomers thereof.
摘要:
Fluorinated aminobutyric acid and diaminobutane compounds in vivo are inhibitors of gamma-aminobutyric acid transaminase and have the following formula: ##STR1## wherein: Y represents hydrogen or fluorine;Z represents --CH.sub.2 NR.sub.1 R.sub.2, where R.sub.1 and R.sub.2 are as defined below, or --COR.sub.3 where R.sub.3 is as defined below;R.sub.a represents hydrogen or R.sub.4, where R.sub.4 is as defined below;R.sub.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl-(C.sub.1 -C.sub.4 alkyl);R.sub.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl-(C.sub.1 -C.sub.4 alkyl) or, when R.sub.a is hydrogen, R.sub.4, where R.sub.4 is as defined below;R.sub.3 represents hydroxy, or when R.sub.a is hydrogen, C.sub.1 -C.sub.8 alkoxy, --NR.sub.5 R.sub.6, where R.sub.5 and R.sub.6 are as defined below, or an aminocarboxylic acid residue derived by removal of an hydrogen atom from the amino moiety of an L-aminocarboxylic acid;each R.sub.4, independently, represents C.sub.2 -C.sub.5 alkylcarbonyl, phenylcarbonyl, phenyl-(C.sub.1 -C.sub.4 alkyl)-carbonyl, or an aminocarboxylic acid residue derived by removal of an hydroxy group from the carboxy moiety of an L-aminocarboxylic acid;R.sub.5 and R.sub.6, independently, represent hydrogen or C.sub.1 -C.sub.4 alkyl; andP represents 1 or 2.
摘要:
Compounds of the following general formula are irreversible inhibitors of pancreatic elastase: ##STR1## wherein M is hydroxy, lower alkoxy, benzyloxy or --NY.sub.1 Y.sub.2 wherein each of R.sub.4 and R.sub.5 is hydrogen or lower alkyl; R is CF.sub.3, CHF.sub.2 or CH.sub.2 F; R.sub.1 is straight or branched lower alkyl; R.sub.2 is defined the same as R.sub.1 or is benzyl; R.sub.30 is CHO, carbobenzoxy, tert-butoxycarbonyl, benzoyl or lower alkanoyl; X is pro, ala or leu and Y and Z together form a single bond; or Y-X is ala-pro, ala-ala or ala-leu and Z forms a single bond; and Z-Y-X is ala-ala-pro, ala-ala-ala or pro-ala-leu.
摘要:
Novel halomethyl derivatives of amines of the following general structure ##STR1## wherein Y is FCH.sub.2 --, F.sub.2 CH-- or F.sub.3 C--; R is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched or ##STR2## wherein R.sub.3 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; each of R.sub.1 and R.sub.2 is hydrogen, or a straight or branched lower alkyl group of from 1 to 4 carbon atoms and may be the same or different or R.sub.1 is hydrogen and R.sub.2 is fluorine; and pharmaceutically acceptable salts and individual optical isomers thereof.
摘要翻译:其中Y是FCH2-,F2CH-或F3C-的以下通式结构的胺的新型卤代甲基衍生物; R是氢,其中烷基部分具有1至4个碳原子并且是直链或支链的烷氧基羰基,其中烷氧基部分具有1至4个碳原子并且是直链或支链或其中R3是氢,直链 或具有1至4个碳原子的支链低级烷基,苄基或对羟基苄基; R 1和R 2各自为氢或1至4个碳原子的直链或支链低级烷基,可以相同或不同,或者R 1为氢,R 2为氟; 及其药学上可接受的盐和单独的光学异构体。
摘要:
This invention relates to analogs of peptidase substrates in which the nitrogen atom of the scissile amide group of the substrate peptide has been replaced by H, an aldehyde, a substituted carbonyl or a substituted malonyl moiety. These analogs of the peptidase substrates provide specific enzyme inhibitors for a variety of proteases, the inhibition of which will have useful physiological consequences in a variety of disease states.
摘要:
2-(Fluoromethyl or chloromethyl)-2,5-diaminopentanoic acid, 2-(fluoromethyl or chloromethyl)-2,6-diaminohexanoic acid, and 2-fluoromethyl-2-amino-5-guanidinopentanoic acid, and certain derivatives thereof, are inhibitors of ornithine decarboxylase. Methods of preparing the compounds and derivatives are also described.
摘要:
This invention relates to 2-(difluoromethyl)-2,5-diaminopentanoic acid, or a pharmaceutically acceptable acid addition salt thereof, and to the methods for the preparation and use thereof.
摘要:
The present invention relates generally to tissue differentiation factor (TDF) analogs. More specifically, the invention relates to structure-based methods and compositions useful in designing, identifying, and producing molecules, which act as functional modulators of TDF-like receptors. The invention further relates to methods of detecting, preventing, and treating TDF-associated disorders.
摘要:
The present invention relates generally to tissue differentiation factor (TDF) analogs. More specifically, the invention relates to structure-based methods and compositions useful in designing, identifying, and producing molecules, which act as functional modulators of TDF-like receptors. The invention further relates to methods of detecting, preventing, and treating TDF-associated disorders.