Journal ArticleDOI
Phosphorus in organic synthesis—VII
Reads0
Chats0
TLDR
In this paper, a simple one-step conversion of carboxylic acids to urethanes was achieved by diphenyl phosphorazidate (DPPA) using a modified Curtius reaction.About:
This article is published in Tetrahedron.The article was published on 1974-01-01. It has received 354 citations till now. The article focuses on the topics: Carboxylic acid & Curtius rearrangement.read more
Citations
More filters
Journal ArticleDOI
Substituent effects on the antibacterial activity of nitrogen-carbon-linked (azolylphenyl)oxazolidinones with expanded activity against the fastidious gram-negative organisms Haemophilus influenzae and Moraxella catarrhalis.
Michael J. Genin,Debra A. Allwine,David J. Anderson,Michael R Barbachyn,D E Emmert,Stuart A. Garmon,David R. Graber,Kevin C. Grega,Jackson B. Hester,Douglas K Hutchinson,Joel Morris,R J Reischer,Charles W. Ford,Gary E. Zurenko,Judith C. Hamel,Ronda D. Schaadt,Douglas Stapert,Betty H. Yagi +17 more
TL;DR: A series of new nitrogen-carbon-linked (azolylphenyl)oxazolidinone antibacterial agents has been prepared in an effort to expand the spectrum of activity of this class of antibiotics to include Gram-negative organisms.
Journal ArticleDOI
Design and synthesis of conformationally constrained amino acids as versatile scaffolds and peptide mimetics
Patent
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
TL;DR: An electrophotographic photosensitive member that can not easily cause charging lines was revealed in this paper, where a process cartridge and an electrophotonographic apparatus with such a member were shown.
Journal ArticleDOI
Asymmetric Cyclopropanations by Rhodium(II) N-(Arylsulfonyl)prolinate Catalyzed Decomposition of Vinyldiazomethanes in the Presence of Alkenes. Practical Enantioselective Synthesis of the Four Stereoisomers of 2-Phenylcyclopropan-1-amino Acid
TL;DR: In this article, a detailed study was undertaken to determine the key factors that control the enantioselectivity of the rhodium N-(arylsulfonyl)prolinate catalyzed decomposition of vinyldiazomethanes in the presence of alkenes.
Journal ArticleDOI
Formation of carboxamides by direct condensation of carboxylic acids and amines in alcohols using a new alcohol- and water-soluble condensing agent: DMT-MM
TL;DR: In this paper, a condensing agent, 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMT-MM), was used for the selective formation of carboxamides in an alcohol or water.
References
More filters
Journal ArticleDOI
Amino Acids and Peptides. IX. Phosphorus in Organic Synthesis. IV. Diphenyl Phosphorazidate. A New Convenient Reagent for the Peptide Synthesis
Takayuki Shioiri,Shunichi Yamada +1 more
Journal ArticleDOI
β-Propiolactone. V. Reaction with Alcohols
Journal ArticleDOI
A New Route to N-Arylphosphoramidic Acids1a
Journal ArticleDOI
Die Umwandlung von Penicillinen in Cephalosporine. Modifikationen von Antibiotika, 3. Mitteilung
TL;DR: In this paper, a new method for the degradation of the thiazolidine ring in penicillins is described, based on thermal treatment and lead tetraacylates and light.
Journal ArticleDOI
Reactions of Lead Tetraacetate. I. Formation of Acylamines from Primary Carboxamides
TL;DR: Pentanamide, when treated with lead tetraacetate in hot benzene, affords a mixture of N-butylacetamide and N,N?-dibutylurea as mentioned in this paper.