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- [21] TOTAL SYNTHESIS OF (4R) AND (4S)-5,6-DIHYDRO-1-BETA-D-RIBOFURANOSYL-4H-PYRAZOLO[3,4-D][1,3]DIAZEPIN-4-OL AND (8R) AND (8S)-7,8-DIHYDRO-3-BETA-D-RIBOFURANOSYL-6H-V-TRIAZOLO[4,5-D][1,3]DIAZEPIN-8-OL - 2HETEROCYCLIC ANALOGS OF THE NUCLEOSIDE ANTIBIOTIC COFORMYCIN JOURNAL OF ORGANIC CHEMISTRY, 1986, 51 (07): : 1050 - 1058
- [23] SYNTHESIS OF NOVEL FUSED BETA-LACTAMS BY INTRAMOLECULAR 1,3-DIPOLAR CYCLO-ADDITIONS .7. (9RS,9ARS)-9,9A-DIHYDRO-5-METHYL-8-OXO-9-PHENOXYACETAMIDO-8H-AZETO[1,2-A]-V-TRIAZOLO[5,1-C]PYRAZINE-6-CARBOXYLIC ACIDS AND (3BRS,4RS,7SR)-4,5-DIHYDRO-5-OXO-4-PHENOXYACETAMIDO-3BH-AZETO[1',2'-3,4]-IMIDAZO[1,5-C]-V-TRIAZOLE-7-CARBOXYLIC ACID, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1985, (07): : 1491 - 1498