- Salts and ionic liquids of resonance stabilized amides
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The synthesis, structure, and bonding of alkali salts of resonance stabilized amides, such as diformylamide (dfa), formylcyanoamide (fca), nitrocyanoamide (nca), and for comparision, the well-known dicyanoamide (dca), are discussed on the basis of experim
- Brand, Harald,Martens, Joern,Mayer, Peter,Schulz, Axel,Seibald, Markus,Soller, Thomas
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experimental part
p. 1588 - 1603
(2010/06/20)
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- Nonracemizable isocyanoacetates for multicomponent reactions
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Chiral ortho esters of α-isocyano acids were synthesized from commercially available Cbz-protected α-amino acids. These compounds are stable toward racemization in the Ugi 4CC in contrast to known esters of α-isocyano acids. Applying them in Ugi 4CC with subsequent deprotection gives access to dipeptides with preserved configuration at the C-terminal amino acid.
- Zhdanko, Alexander G.,Nenajdenko, Valentine G.
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supporting information; experimental part
p. 884 - 887
(2009/07/04)
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- Use of organophosphorous compounds for producing a medicament for treating infections
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The invention relates to the use of organophosphorus compounds of the general formula (I) wherein B is selected from the group which consists of group and group R1—N═A—??(III) and wherein A is selected from the group which consists of an alkyle
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- FORMYLATION REACTION USING THE OZONOLYSATE OF OXAZOLE
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The ozonolysis of oxazole (1) did not give formic anhydride (3), but gave N-formylformamide (5), which reacted with various nucleophiles to afford the corresponding formylated products in high yield.This formylating reaction should be useful in the organic syntheses.
- Kashima, Choji,Arao, Hideki,Hibi, Shigeki,Omote, Yoshimori
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p. 1561 - 1562
(2007/10/02)
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