Oxazolidinones and-thiones as plant-growth-regulators

Details Oxazolidinones and-thiones as plant-growth-regulators Oxazolidinones and-thiones as plant-growth-regulators

C - Chemistry, Metallurgy

07

D

260/261, 71/7.25

C07D 263/44 (2006.01) A01N 43/76 (2006.01) C07D 263/20 (2006.01) C07D 413/06 (2006.01)

Patent

CA 2024627

PS/5-17735/1+2/= Novel Oxazolidinones and -thiones as Plant- Growth- Regulators Abstract 3-Phenyl-oxazolidine-2-one- and -2- thione-5-carboxylic acid-derivatues of the formula I below in all their stereoisometric forms, are suitable for regulating plant-growth. Image (I) In this formula X is oxygen or sulfur, A is -COO R1, -COS R1, -COO?M?CONR2R3 or COCl, R is hydrogen, halogen, mono-, di- or trihalomethyl, n is 1, 2 or 3, R1 is hydrogen, C1-C4 alkyl, C2-C6 alkenyl or C2-C6 alkynyl R2 and R3 independendently of each other are hydrogen C1-C4 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C3-C7 cycloalkyl, aryl or heterocyclyl or R2 and R3 together with the nitrogen atom, to which they are bonded, are a saturated 3- to 7 membered heterocycle, which is optionally substituted up to three times by C1-C4 alkyl, and M? is the equivalent of an alkali-metal cation or an alkaline earth metal cation or HN?(R2)3. The invention comprises the preparation and use these compounds.

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