Naphthalenedicarboxamide-containing compound and preparation method thereof as well as plant growth regulator composition comprising same

A plant growth regulator and a technology containing naphthalene dicarboxamide, which are applied in the directions of plant growth regulators, plant growth regulators, botanical equipment and methods, and can solve problems such as unpublished

Active Publication Date: 2014-04-16
HANGZHOU UDRAGON CHEMICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the betaine-type plant growth regulator containing naphthalene dicarboxamide group as described in the present invention and its activity are not disclosed at home and abroad.

Method used

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  • Naphthalenedicarboxamide-containing compound and preparation method thereof as well as plant growth regulator composition comprising same
  • Naphthalenedicarboxamide-containing compound and preparation method thereof as well as plant growth regulator composition comprising same
  • Naphthalenedicarboxamide-containing compound and preparation method thereof as well as plant growth regulator composition comprising same

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0071] Embodiment 1: the synthesis of formula Ia compound of the present invention

[0072] A, the preparation of formula (III) compound

[0073] In a 500mL three-neck flask, sequentially add 99g (0.5mol) 1,8-naphthalene dicarboxylic anhydride, 200mL toluene and 50.2g (0.5mol) N,N-dimethyl-1,3-propanediamine, at room temperature Stir for 2 hours, then heat up and reflux for dehydration until the water is completely removed (about 3 hours), then cool down to room temperature, then dry with an appropriate amount of anhydrous sodium sulfate, filter, and evaporate the obtained filtrate to remove the solvent, then add 100mL toluene and 54g (0.5 mol) methyl chloroacetate, continue heating to reflux for 4h, and remove the solvent by rotary evaporation to obtain a white waxy solid, which is then recrystallized in isopropanol to obtain 160 g of a white solid with a yield of 82%.

[0074]

[0075] B, the preparation of formula Ia compound

[0076] Add 39g of the compound of formula...

Embodiment 2

[0082] Embodiment 2: 5% formula I of the present invention a Preparation of compound aqueous solution

[0083] In a 250mL three-necked bottle, add 5g of formula I a Compound and 90g water, stirred and dissolved, added 5g Tween-80, stirred evenly to obtain 5% formula I a Aqueous formulations of compounds.

Embodiment 3

[0084] Embodiment 3: 10% formula I of the present invention a Preparation of Compound·DA-6 Composition Aqueous Agent

[0085] In a 250mL three-necked bottle, add 6g of formula I a The compound, 4gDA-6 and 85g water, were stirred and dissolved, and 5g Tween-80 was added and stirred evenly to obtain 100g clear and transparent composition water.

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PUM

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Abstract

The invention relates to a naphthalenedicarboxamide-containing compound having the following general formula (I) (img file='DDA0000458054830000011. TIF' wi='992' he='376' / ), wherei, in the formula, X is selected from Cl or Br; and M is selected from K, Na or NH4. The invention also relates to a preparation method of the compound. The invention also relates to a plant growth regulator composition comprising the compound. Compared with an existing plant growth regulator, the plant growth regulator composition disclosed by the invention has excellent comprehensive performance.

Description

【Technical field】 [0001] The invention belongs to the field of plant growth regulators. More specifically, the present invention relates to a compound containing a naphthalene dicarboxamide group, and the present invention also relates to a preparation method of the compound. The invention also relates to plant growth regulator compositions containing said compounds. 【Background technique】 [0002] Plant growth regulators are used in controlling seed germination and dormancy, promoting rooting, promoting cell elongation and division, controlling lateral buds or tillers, controlling plant type, controlling flowering, inducing seedless fruit, thinning flowers and fruit, controlling fruit drop, controlling fruit shape or In the mature stage, enhancing stress resistance (disease resistance, drought resistance, salt resistance, frost resistance), enhancing the ability to absorb fertilizers, increasing sugar content or changing acidity, and improving fragrance and color have play...

Claims

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Application Information

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IPC IPC(8): C07D221/14A01N43/38A01N37/44A01P21/00A01N37/12
CPCA01N43/42C07D221/14
Inventor 许良忠吴华龙陈蔚燕王明慧孟祥龙范井旺牛淑妍
Owner HANGZHOU UDRAGON CHEMICAL CO LTD
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