申请人:Abrams Suzanne R.
公开号:US20100160166A1
公开(公告)日:2010-06-24
A compound of formula (I):
wherein:
R
1
is —SR
10
, —O—C(O)—R
11
, —NR
12
R
13
, where R
10
is a C
1-8
-alkyl group or a phenyl group unsubstituted or substituted by a C
1-4
-alkyl group, R
11
is a thiophenenyl, furanyl or pyrrolyl group, R
12
is H or a C
1-4
-alkyl group and R
13
is a C
1-8
-alkyl group or a phenyl group unsubstituted or substituted by a C
1-4
-alkyl group;
R
2
is H or a C
1-4
-alkyl group;
R
3
and R
4
are independently H or C
1-4
-alkyl groups;
R
5
and R
6
are independently H, OH or OR
14
, or taken together are ═O, where R
14
is a protecting group;
R
7
is H or a C
1-4
-alkyl group; and,
R
8
is H, R
9
is OH and R
15
is H, or R
15
is H and R
8
and R
9
taken together are —O—, or R
9
is OH and R
8
and R
15
taken together form a bond; and,
R
18
and R
19
are both H, or R
18
and R
19
taken together form a bond,
or a plant physiologically acceptable salt thereof is useful for inhibiting 9-cis-epoxycarotenoid dioxygenase (NCED) in a plant or seed and is therefore useful for regulating ABA biosynthesis in the plant or seed.
公式(I)的化合物:其中:R1为—SR10,—O—C(O)—R11,—NR12R13,其中R10为C1-8-烷基或苯基,未取代或取代为C1-4-烷基;R11为噻吩基、呋喃基或吡咯基;R12为H或C1-4-烷基,R13为C1-8-烷基或苯基,未取代或取代为C1-4-烷基;R2为H或C1-4-烷基;R3和R4分别为H或C1-4-烷基;R5和R6分别为H、OH或OR14,或者一起为═O,其中R14为保护基;R7为H或C1-4-烷基;R8为H,R9为OH,R15为H,或者R15为H,R8和R9一起为—O—,或者R9为OH,R8和R15一起形成键;R18和R19均为H,或者R18和R19一起形成键,或其植物生理学上可接受的盐对于抑制植物或种子中的9-顺式-环氧类胡萝卜二氧化酶(NCED)是有用的,因此对于调节植物或种子中的ABA生物合成是有用的。