| 摘要 |
PROBLEM TO BE SOLVED: To provide an industrially preferable method for producing 4-halogeno tetrahydropyran compound in high yield under a mild condition in a simple method. SOLUTION: The invention relates to the method for producing 4-halogeno tetrahydropoyran or 2-alkyl-4-halogeno tetrahydropyran by reacting an organic carboxylic acid, 3-butene-1-ol, formaldehyde or an aliphatic aldehyde with a monovalent or bivalent metal halide. COPYRIGHT: (C)2007,JPO&INPIT
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