The present invention relates to a production method of optically active hydrazine compound (IV), which includes reacting azo compound (II) with compound (III) in the presence of optically active compound (I). The present invention also relates to a production method of optically active amine compound (V), which includes producing optically active hydrazine compound (IV) by the above-mentioned method, reacting the optically active hydrazine compound (IV) with a base or an acid to eliminate a protecting group represented by PG, and then subjecting the resulting compound to catalytic reduction or reacting the resulting compound with a zinc powder to reduce a nitrogen-nitrogen bond.
wherein X is S or O; C*, C** and C*** are asymmetric carbons, R
1
and R
2
are lower alkyl groups etc., R
4
and R
5
may in combination form cyclohexane etc., R
3
is aryl group optionally having substituent(s) etc., R
6
and R
7
are hydrogen atoms etc., R
8
is aryl group optionally having substituent(s) etc., R
9
and R
10
are electron withdrawing groups, and PG is a protecting group.
本发明涉及一种光学活性
联苯胼化合物(IV)的生产方法,包括在光学活性化合物(I)存在下,将偶
氮化合物(II)与化合物(III)反应。本发明还涉及一种光学活性
胺类化合物(V)的生产方法,包括通过上述方法生产光学活性
联苯胼化合物(IV),将光学活性
联苯胼化合物(IV)与碱或酸反应以消除由
PG表示的保护基团,然后将所得化合物经催化还原或与
锌粉反应以还原
氮氮键。其中X为S或O;C*、C**和C***为不对称
碳原子,R1和R2为较低的烷基等,R4和R5可以组成
环己烷等,R3为芳基,可选地具有取代基等,R6和R7为
氢原子等,R8为芳基,可选地具有取代基等,R9和R10为电子吸引基团,
PG为保护基团。