Document Detail

S-adenosylmethionine decarboxylase inhibitors: new aryl and heteroaryl analogues of methylglyoxal bis(guanylhydrazone).
MedLine Citation:
PMID:  8421290     Owner:  NLM     Status:  MEDLINE    
A series of 3-acylbenzamidine (amidino)hydrazones 7a-h, the corresponding (hetero)aromatic congeners 7i-p, and 3,3'-bis-amidino-biaryls 25a-e were synthesized. The hydrazones 7a-p were prepared by conversion of the corresponding acyl nitriles 1a,c-d,i,n-p to the imido esters 3a,c-d,i and the amidines 5a,c-d,h-i, followed by a reaction with aminoguanidine, or vice versa. Similarly, the biaryl 3,3'-dinitriles 23a-e were converted, via the imino esters 24a-c or the imino thioesters 27d-e, to the diamidines 25a-e. These new products are conformationally constrained analogues of methylglyoxal bis(guanylhydrazone) (MGBG). They are up to 100 times more potent as inhibitors of rat liver S-adenosylmethionine decarboxylase (SMDC) and generally less potent inhibitors of rat small intestine diamine oxidase (DAO) than MGBG. Some of these SAMDC inhibitors, e.g., compounds 7a, 7e, 7i, 25a, and 25d, have shown antiproliferative effects against T24 human bladder carcinoma cells. These products, whose structure-activity relationships are discussed, are of interest as potential anticancer agents and drugs for the treatment of protozoal and Pneumocystis carinii infections.
J Stanek; G Caravatti; H G Capraro; P Furet; H Mett; P Schneider; U Regenass
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of medicinal chemistry     Volume:  36     ISSN:  0022-2623     ISO Abbreviation:  J. Med. Chem.     Publication Date:  1993 Jan 
Date Detail:
Created Date:  1993-02-16     Completed Date:  1993-02-16     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9716531     Medline TA:  J Med Chem     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  46-54     Citation Subset:  IM    
Research Laboratories, Ciba-Geigy AG, Basel, Switzerland.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Adenosylmethionine Decarboxylase / antagonists & inhibitors*,  metabolism
Antineoplastic Agents / chemical synthesis*,  chemistry,  pharmacology
Liver / drug effects,  enzymology
Mitoguazone / analogs & derivatives*,  pharmacology
Structure-Activity Relationship
Reg. No./Substance:
0/Antineoplastic Agents; 459-86-9/Mitoguazone; EC Decarboxylase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Synthesis of 20-hydroxy-, 20-amino-, and 20-nitro-14-hydroxy-21-nor-5 beta,14 beta-pregnane C-3 glyc...
Next Document:  Structure-based design of inhibitors of purine nucleoside phosphorylase. 1. 9-(arylmethyl) derivativ...