Benzylamine derivative represented by the following general formula (5), and useful benzonitrile derivatives, a method of manufacturing the same, and problems Disclosed is that the preparation of intermediate secondary amine derivative represented by the general formula (9) The present invention is to provide a use as fungicides. [Formula 1] (In the formula, R 1, n is hydrogen also is an integer of 0 to 3 such as an alkyl group having 1 to 6 carbon atoms branched or linear.) [2] of (Wherein, n, R 1 is as defined above such as an alkyl group having 1 to 6 carbon atoms with hydrogen, linear or branched to R 4) [MEANS FOR SOLVING PROBLEMS] And salts thereof benzonitrile novel derivatives shown in (1) the following formula, a method of manufacturing the same, and use thereof pharmaceutical intermediates, as fungicides. [3] of (In the formula, R 1, n is hydrogen also is an integer of 0 to 3 such as an alkyl group having 1 to 6 carbon atoms branched or linear.) None [Selection Figure]【課題】本発明の課題は、下記一般式(5)に示すベンジルアミン誘導体、及び一般式(9)に示す二級アミン誘導体の製造中間体として有用なベンゾニトリル誘導体、その製造方法、及びその殺菌剤としての用途を提供することにある。【化1】(式中、nは、0~3の整数である。またR1は、水素;直鎖または分岐した炭素数1~6のアルキル基など)【化2】(式中、n、R1は前記と同じ;R4は水素、直鎖または分岐した炭素数1~6のアルキル基など)【解決手段】下記一般式(1)に示す新規なベンゾニトリル誘導体及びこれらの塩、その製造方法、及びその医薬品中間体、殺菌剤としての利用。【化3】(式中、nは、0~3の整数である。またR1は、水素;直鎖または分岐した炭素数1~6のアルキル基など)【選択図】なし
