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US 2004/0176644 A1Published application
Process for producing 2-phenylacetophenone derivatives and precursons therefor
AssigneeIshihara Sangyo Kaisha, Ltd.
InventorsTakeshi Ohshima, Shigeyuki Nishimura, Takayoshi Ando
Life of this patent
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Abstract
A process for producing 2-phenylacetophenone derivatives represented by the formula (I): 1 (wherein X is an alkyl group or a haloalkyl group, and Y is a hydrogen atom, a halogen atom or an alkyl group which may be substituted), which comprises reacting a compound represented by the formula (II): 2 (wherein X and Y are as defined above, and R is a hydrogen atom or an alkyl group) with an acid.
Claims11
A process for producing 2-phenylacetophenone derivatives represented by the formula (I):
- 12
- (wherein X is an alkyl group or a haloalkyl group, and Y is a hydrogen atom, a halogen atom or an alkyl group which may be substituted), characterized by reacting a compound represented by the formula (II):
- 13
- (wherein X and Y are as defined above, and R is a hydrogen atom or an alkyl group) with an acid.
1 more element
A compound represented by the formula (II):
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- (wherein X is an alkyl group or a haloalkyl group, Y is a hydrogen atom, a halogen atom or an alkyl group which may be substituted, and R is a hydrogen atom or an alkyl group).
Dependencies are inferred from the claim text.