| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an efficient production method of a 2,4-disubstituted pyridine (5). Ž<P>SOLUTION: The production method comprises removing a sulfonyl group from a cyclic amine compound (4) (not shown) obtained by condensation of compounds (1), (2) and (3) to obtain the compound (5). In the formulae, A is a solid carrier; B is a bonding group; R<SP>1</SP>is an alkylene group, an aralkylene group or an arylene group; R<SP>2</SP>is an alkyl group or an aralkyl group; R<SP>6</SP>is a hydrogen atom, an alkyl group or an aralkyl group; X is a halogen atom; and R<SP>3</SP>is a substituted or unsubstituted aryl or heteroaryl group. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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