SUBSTITUTED (3R,4R)-4-CYAN-3,4-DIPHENYLBUTANOATES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF AS HERBICIDES AND PLANT GROWTH REGULATORS
申请人:Jakobi Harald
公开号:US20140194291A1
公开(公告)日:2014-07-10
Substituted (3R,4R)-4-cyano-3,4-diphenylbutanoates, processes for their preparation and their use as herbicides and plant growth regulators
Compounds of the formula (I) or salts thereof and salts thereof, in each case in the optically active (3R,4R)-threo form,
R
1
is hydrogen or a hydrolyzable radical, and
(R
2
)
n
, (R
3
)
m
, n and m are as defined in formula (I) according to claim
1,
where the stereochemical configuration at the carbon atom in position 3 of the butanoic acid derivative has a stereochemical purity of 60 to 100% (R), preferably 70 to 100% (R), more preferably 80 to 100% (R), in particular 90 to 100% (R), based on the mixture of threo enantiomers present, and
the stereochemical configuration at the carbon atom in position 4 of the butanoic acid derivative has a stereochemical purity of 60 to 100% (R), preferably 70 to 100% (R), more preferably 80 to 100% (R), in particular 90 to 100% (R), based on the mixture of threo enantiomers present,
are suitable for use as herbicides and growth regulators, in particular for the selective use in plant crops, and can be prepared by the process of claim
9.
(3R,4R)-4-氰基-3,4-二苯基丁酸酯的替代物,其制备方法以及其作为除草剂和植物生长调节剂的用途化合物的公式(I)或其盐及其盐,每种情况下均为光学活性的(3R,4R)-threo形式,R1为氢或可水解基,而(R2)n,(R3)m,n和m如公式(I)根据权利要求1所定义,其中在丁酸衍生物中第3位碳原子的立体化学配置具有60至100%(R)的立体化学纯度,优选70至100%(R),更优选80至100%(R),特别是90至100%(R),基于目前存在的threo对映体混合物,而在丁酸衍生物中第4位碳原子的立体化学配置具有60至100%(R)的立体化学纯度,优选70至100%(R),更优选80至100%(R),特别是90至100%(R),基于目前存在的threo对映体混合物,适用于作为除草剂和生长调节剂使用,特别是用于植物作物的选择性使用,并且可以通过权利要求9的方法制备。