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Abstract

The present invention relates to a 1-halo-7-methyltricosane compound of the following general formula (1), wherein X¹ represents a halogen atom. The present invention relates also to a process for preparing a 17-methylalkane compound of the following general formula (4), wherein n represents an integer of 11 to 13, the process comprising the steps of converting the aforesaid 1-halo-7-methyltricosane compound (1) into a nucleophilic reagent, 7-methyltricosyl compound, of the following general formula (2), wherein M¹ represents Li, MgZ¹, CuZ¹, or CuLiZ¹, and Z¹ represents a halogen atom or a 7-methyltricosyl group, subsequently subjecting the aforesaid nucleophilic reagent, 7-methyltricosyl compound (2), to a coupling reaction with an electrophilic alkyl reagent of the following general formula (3), wherein X² represents a halogen atom or a p-toluenesulfonyloxy group, and n is as defined above, to form the aforesaid 17-methylalkane compound (4).

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First Claim