High-and atmospheric-pressure cycloaddit
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Marek Chmielewski; Zbigniew Kaz&.xl;luza; Danuta Mostowicz; Czesz&.xl;la
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Article
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1987
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Elsevier Science
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French
⚖ 613 KB
High-and atmospheric-pressure cycloaddition of trichloroacetyl isocyanate (2) to 3,4-di-&acetyl-L-rhamnal (11) leads to formation of four products: a-gluco (k2)cycloadduct l2, two stereoisomeric a-gluco 13 and B-manno 14 (2+2)cycloadducta , and o,&unsaturated amide 5. The isocyanate enters the rhamn