Suzanne R. Abrams,Michele C. Loewen,Jason Boyd,Adrian John Cutler,Yuanzhu Gai,Kenneth M. Nelson
申请号：
US12458781
公开号：
US08283481B2
申请日:
2009.07.22
申请国别(地区):
US
年份:
2012
代理人:
摘要：
A compound of formula (I):wherein:R1 is —SR10, —O—C(O)—R11, —NR12R13, where R10 is a C1-8-alkyl group or a phenyl group unsubstituted or substituted by a C1-4-alkyl group, R11 is a thiophenenyl, furanyl or pyrrolyl group, R12 is H or a C1-4-alkyl group and R13 is a C1-8-alkyl group or a phenyl group unsubstituted or substituted by a C1-4-alkyl groupR2 is H or a C1-4-alkyl groupR3 and R4 are independently H or C1-4-alkyl groupsR5 and R6 are independently H, OH or OR14, or taken together are ═O, where R14 is a protecting groupR7 is H or a C1-4-alkyl group and,R8 is H, R9 is OH and R15 is H, or R15 is H and R8 and R9 taken together are —O—, or R9 is OH and R8 and R15 taken together form a bond and,R18 and R19 are both H, or R18 and R19 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.
