Auxin compositions of phenyl thioesters of indole-3-alkanoic acids and their use as auxin growth regulators
US4415350A · kind A · utility
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4Claims
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Key dates
| Filing date | Apr 12, 1982 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Apr 12, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N43/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Aryl esters and thioesters of indole-3-alkanoic acids, such as indole-3-acetaic acid and indole-3-butyric acid, are prepared by chemical reaction of the acid with a phenol, substituted phenol, or thiophenol in a tertiary amine solvent. A phosphorus or sulfur halide in a suitable solvent is added dropwise to the cold amine solution. The reaction produced is separated and purified by standard methods. Phenyl-indole-3-thiolobutyrate as well as other aryl esters of indole-3-alkanoic acids is effective as an auxin plant growth regulator and adventitious root initiator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.