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Passerini reaction : ウィキペディア英語版 | Passerini reaction
The Passerini reaction is a chemical reaction involving an isocyanide, an aldehyde (or ketone), and a carboxylic acid to form a α-acyloxy amide.〔Passerini, M.; Simone, L. ''Gazz. Chim. Ital.'' 1921, ''51'', 126–29.〕〔Passerini, M.; Ragni, G. ''Gazz. Chim. Ital.'' 1931, ''61'', 964–69.〕〔.〕 This organic reaction was discovered by Mario Passerini in 1921 in Florence, Italy. It is the first isocyanide based multi-component reaction developed, and currently plays a central role in combinatorial chemistry.〔Dömling, A.; Ugi, I. ''Angew. Chem. Int. Ed. Engl.'' 2000, ''39'', 3168–3210. (Review)〕 Recently, Denmark ''et al.'' have developed an enantioselective catalyst for aymmetric Passerini reactions.〔Denmark, S. E.; Fan, Y. ''J. Org. Chem.'' 2005, ''70'', 9667–76. 〕 ==Reaction mechanism== Two different reaction pathways have been hypothesized.
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