- METHOD FOR PRODUCING NEURAMINIC ACID DERIVATIVE
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The present invention provides methods for manufacturing neuraminic acid derivatives. [Means for solution] Methods for manufacturing compounds represented by the formula (I) : [wherein R1 represents a C1-C19 alkyl group], or a pharmacologically acceptable salt thereof, using N-acetylneuraminic acid dihydrate as a starting raw material are provided.
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- METHOD FOR MANUFACTURING NEURAMINIC ACID DERIVATIVES
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A method for manufacturing neuraminic acid derivatives is provided, also synthetic intermediates of the neuraminic acid derivatives and methods for their manufacture, and neuraminic acid derivatives having high purity. [Means for solution] A synthetic intermediate compound represented by the formula (7) is provided: [wherein R3 represents alkyl; R4 and R5 each represents H, alkyl, phenyl, or together represent tetramethylene, pentamethylene, oxo].
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Page/Page column 66
(2008/12/08)
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