Synthesis of stably deuteriated abscisic acid, phaseic acid and related compounds
β Scribed by R.D. Willows; A.G. Netting; B.V. Milborrow
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 322 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0031-9422
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## Abstract A stereoselective synthesis of (Β±)βabscisic acid (**7**) is described in which 2β__cis__ 3βmethylpentβ2βenβ4βynβ1βol (**2**) is used to introduce the 2β__cis__, 4β__trans__ geometry.
The presence of abscisic and phaseic acid in a purified acidic extract from flowering plants of the long-short-day plant Bryophyllum daigremontianum [(R. Hamet and Perr.) Berg.] was conclusively established by combined gas chromatography-mass spectrometry (GC-MS) of their methyl esters. Gibberellin
Seven day old seedlings of Pisum sativum L., cv. Kleine RheinlΓ€nderin, were wilted for 3 days. After partially removing the roots, they were rewatered and at the same time radioactive abscisic acid([1-(14)C]ABA, spec. activity 1.7Β·10(8)d s(-1)mmol(-1)) was applied for 1 h via the xylem of the roots.