Acetonation of L-sorbose catalyzed by heteropoly acids期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Acetonation of L-sorbose catalyzed by heteropoly acids

Authors:	I. V. Kozhevnikov I. B. Vasilieva V. V. Zarutskii

Affiliation:	(1) Institute of Catalysis, 630090 Novosibirsk, Russia

Abstract:	Acetonation of L-sorbose—a step of ascorbic acid synthesis—takes place in acetone to yield 85% of diacetone-L-sorbose in the presence of heteropoly acids H₃PW₁₂O₄₀ and H₄SiW₁₂O₄₀ (0.1–0.35%) as catalysts. L-— L- — -L- 85% 0.1–0.35% H₃PW₁₂O₄₀ H₄SiW₁₂O₄₀ .

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