# US 2017/0283375 A1 · Abscisic acid derivative

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- Number: US 2017/0283375 A1
- Document ID: US20170283375A1
- Status: Published application
- Kind: A1
- Application number: 15/513,765
- Filed: 2015-09-16
- Published: 2017-10-05
- Earliest claimed: 2014-09-24
- Assignees: National University Coproration Shizhuoka University
- Applicants: National University Corporation Shizuoka University
- Inventors: Yasushi TODOROKI; Naoki MIMURA
- Web page: https://patentgrep.com/patent/US20170283375A1

## CPC

- C07C 403/22: having side-chains substituted by sulfur atoms
- A01N 37/36: containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N 37/38: having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01P 21/00: Plant growth regulators
- C07C 403/20: having side-chains substituted by carboxyl groups {or halides, anhydrides, or (thio)esters thereof}
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01P: BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS

## Abstract

The compound represented by formula (IV) or a salt thereof has an inhibitory action on an abscisic acid receptor. The compound or the salt thereof can be used as a plant growth regulator. wherein X is an ethylene group, an ethenylene group or an ethynylene group, R1 is a hydrogen atom, a phenyl group or a naphthyl group, and the phenyl group and naphthyl group each optionally have a substituent selected from the group consisting of a halogen atom, a hydroxyl group, a C1-6 alkyl group, a C1-6 alkyl group substituted with a halogen atom, a C1-6 alkoxy group, an acetyl group, an amino group, an acetylamino group, a phenyl group and a pentafluorosulfanyl group.

## Claims

### Claim 1

A compound represented by formula (IV) or a salt thereof:
wherein X is an ethylene group, an ethenylene group or an ethynylene group, R1 is a hydrogen atom, a phenyl group or a naphthyl group, and the phenyl group and naphthyl group each optionally have a substituent selected from the group consisting of a halogen atom, a hydroxyl group, a C1-6 alkyl group, a C1-6 alkyl group substituted with a halogen atom, a C1-6 alkoxy group, an acetyl group, an amino group, an acetylamino group, a phenyl group and a pentafluorosulfanyl group.

### Claim 2 (depends on 1)

The compound or the salt thereof according to claim 1, being a compound represented by formula (1) or a salt thereof:
wherein R2 is a hydrogen atom, a phenyl group or a naphthyl group, and the phenyl group and naphthyl group each optionally have a substituent selected from the group consisting of a halogen atom, a hydroxyl group, a C1-6 alkyl group, a C1-6 alkyl group substituted with a halogen atom, a C1-6 alkoxy group, an acetyl group, an amino group, an acetylamino group and a phenyl group.

### Claim 3 (depends on 2)

The compound or the salt thereof according to claim 2, wherein R2 is a phenyl group or a 1-naphthyl group.

### Claim 4 (depends on 1)

An inhibitor of an abscisic acid receptor, comprising the compound or the salt thereof according to claim 1.

### Claim 5 (depends on 1)

A plant growth regulator comprising the compound or the salt thereof according to claim 1.

### Claim 6 (depends on 2)

An inhibitor of an abscisic acid receptor, comprising the compound or the salt thereof according to claim 2.

### Claim 7 (depends on 3)

An inhibitor of an abscisic acid receptor, comprising the compound or the salt thereof according to claim 3.

### Claim 8 (depends on 2)

A plant growth regulator comprising the compound or the salt thereof according to claim 2.

### Claim 9 (depends on 3)

A plant growth regulator comprising the compound or the salt thereof according to claim 3.