Salt triazinetrione acids and means for presowing treatment of seeds of agricultural crops

 

(57) Abstract:

The invention relates to chemistry and agriculture. The technical solution is to obtain water-soluble effective poststimulation with a wide spectrum of action. It is achieved by the fact that they get new derivatives of s-triazine, namely salts triazinetrione acid (STC) General formula:

,

where R = NH4, K+, Na+that can be used as postregulation and means for presowing treatment of seeds based on them. 2 S. p. f-crystals, 1 table.

The invention relates to chemistry and agriculture, namely, substituted SIMM-triazines as postregulation and means for presowing treatment of seeds on the basis of them.

Known application of IAA (indelicacy acid) as a stimulant for germination of seeds of fruit and berry crops, consisting of pre-soaking seeds in 0.001% aqueous solution of IAA for 6 h [1] Disadvantages of its use are the need of bodrstvovaniya (pre-dilution) in alcohol because of poor water solubility, relatively high cost, narrow range recommended for education is m-triazinetrione acids as curing adhesive compositions. The use of such acids as postregulation unknown.

Known also tricholoma: 2,4,6-Tris(p-carboxymethylamino)- 1,3,5-triazine and its alkaline and alkylammonium salt as a light shielding means [2,3] the Use of these Tricolori and its salts as postregulation unknown. In addition, salts described only fall under the General formula and not described as individual compounds (except potassium salt); they are not given not only the methods of synthesis, but not even specified physico-chemical constants.

The aim of the invention is to obtain a water-soluble effective poststimulation that do not require prior bodrstvovaniya in alcohol, with a broad spectrum of activity and relatively inexpensive, as well as the synthesis and description of physico-chemical properties of sodium and ammonium salts SIMM-trainingabout Tricolori.

The objective is achieved by obtaining new derivatives of s-triazine, namely salts of 1,3,5-triazinetrione acid (Kovaciny) General formula:

< / BR>
where R Na+, NH+4that can be used as postregulation (poststimulation) and means for presowing treatment of seeds on their onnovanbraam) with an aqueous-alkaline solution of 4-aminobenzoic acid at a molar ratio of cyanuric chloride: an amino acid: alkali 1:3:6 at 20-25oC with a water-acetone mixture, followed by acidification and isolation of Tricolori known method.

Synthesis of salts of Tricolori (Covaccine) were carried out by the interaction of 2,4,6-Tris(4'-carboxyphenylazo)-s-triazine with aqueous solutions of caustic soda or ammonia at a molar ratio of acid: base 1:3 with subsequent Visaginas salt alcohol or acetone by a known method at 20oC.

Example 1. 2,4,6-Tris[4'-carboxymethylamino(sodium)]-1,3,5 - triazine (Curaxin-1).

To the suspension a 4.86 g (0.01 mol) of 2,4,6-Tris(4-carboxyphenylazo)- 1,3,5-triazine in 10 ml of water, with stirring and at a temperature of 20-25oC added dropwise 3 ml of an aqueous solution containing 1.18 g (0,0295 mol) sodium hydroxide. The mixture is stirred for 1.5 h at the same temperature and filtered. The filtrate with stirring, added dropwise in 30 ml of acetone, precipitated precipitate is filtered, washed with 2 x 5 ml of ethanol and dried in vacuum at 50-60oC to constant weight. Get to 5.08 g (92%) Sebacina-1 in the form of a pale yellow powder, soluble in water and insoluble in organic solvents.

C24H15N6Na3O6:

found, C 52,9; H 2,9; N 15,0

calculated C to 52.1; H, 2.7; the N 15,2.

Example 2. 2,4,6-Tris[4'-carboxymethylamino(sodium)]-1,3,5 - triazine (Curaxin-1).

Under conditions analogous to example 1, from a 4.86 g (0.01 mol) 1,4,6-Tris(4-carboxyphenylazo)-1,3,5-triazine and 1.18 g (0,0195 mol) of caustic soda with the only difference that the reaction is carried out at 18-20 ml of water at 25-30oC, and the target salt visidot the addition of water to the filtrate in 40 ml of ethyl alcohol produced 5,135 g (93%) Sebacina-1 in the form of a pale yellow powder soluble in water and insoluble in organic solvents.

The results of elemental analysis and spectral characteristics obtained in these conditions Curaxin-1 corresponds to example 1.

Example 3. 2,4,6-Tris[4'-carboxymethylamino(ammonium)]-1,3,5-triazine (Curaxin-2).

Under conditions analogous to example 1, from a 4.86 g (0.01 mol) of 2,4,6-Tris(4-carboxyphenylazo)-1,3,5-triazine and 2.1 g (0.03 mol) of 25% aqueous ammonia solution obtain 4.8 g (89%0 Curaxin-2 in the form of a slightly yellowish powder with a decomposition temperature in air 362oC, soluble in water, N, N'-dimethylformamide and dimethyl sulfoxide.

C24H27N9O6:

found, C 53,8; H 4,7; N 23,7

the calc is 1095, 1070 cf. FF. (C-O-C); 805 SL. (deformation of 1,4-disubstituted benzene cycle).

The salts triazinetrione acids (Curaxin-1 and Curaxin-2) is used as a means for presowing treatment of seeds of various crops, as postregulatory. When preparing aqueous solutions of salts concentration from 0.01 to 0.001 wt. and soaked in these solutions the seeds for 3 h were used For comparison aqueous solution indolylacetic acid (heteroauxin) concentration of 0.001 wt. which was prepared previously podesteria IAA in ethanol. As a second control used a variant with seed soaking for 3 h in distilled water.

The use of Covaccine as a means for presowing treatment of seeds, the initial concentration and properties of the seedlings are illustrated by examples about 4-47 presented in the table. The seeds were germinated in Petri dishes on constantly moist filter paper at 20-21oC for 25 days. Corresponding measurements of germination, root length and seedling conducted after 7 days, the number of germinated seeds on the 4th day was judged on vigor.

From the table it is seen that SAA treatment of seeds Suboxine in concentrations of 0.01 and 0.0001 wt. increases vigor (b-90 instead of 86,5%), germination (88-91 instead of 87%), provides an increase in the length of 7-day-old seedlings and roots (3-14 and 1.5-8.8%, respectively), while the IAA at a concentration of 0.001 wt. these figures are almost stimulates (except for the increase in root length and seedling 2.9 and 1.5% respectively compared with wet control).

In the case of wheat seeds (examples 15-25) pre-treatment with Covaccine in concentrations of 0.01 and 0.0001 wt. increases germination energy and germination (78-90 and 83-90% instead of 70 and 79%, respectively), and increases the length of shoots and roots (5-42,7 and 5.5-50% respectively), while the IAA these figures do not stimulate.

In the case of pea seeds (examples 26-36) processing Suboxine in concentrations of 0.01 and 0.0001 wt. little effect on the germination and germination energy, but increases the length of the 7-day-old seedlings and roots (on 10-40 and 7.7-28%, respectively), while the IAA on these indicators are not affected.

In the case of rice seeds (examples 37-47) pre-treatment with Covaccine in concentrations of 0.01 and 0.0001 wt. provides improved germination (83-90 instead of 79%) and increased length of 7-day-old seedlings and roots, the t parameters does not improve.

Thus, connections, and means for presowing treatment of seeds are more effective in comparison with their counterparts on the application and the structure and allow you to get from the available raw material is known, but a simple method is soluble in water postregulatory on the basis of which prepare the tool for pre-processing of agricultural crops. When this pre-sowing seed treatment with aqueous solutions of the claimed compounds can improve the germination and vigor, as well as to increase the length of 7-day-old roots and seedlings.

1. Salt transtronic acids of General formula

< / BR>
where R Na+, NH4+,

with astragalina activity against plants.

2. Means for presowing treatment of seeds of agricultural crops, including biologically active substance and water, characterized in that the biologically active substances it contains a compound of the formula

< / BR>
where R K+, Na+, NH-4,

in the following ratio, wt.

Biologically active substance 0,001 0,01

Water Ostalnoe

 

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12 cl, 23 ex, 23 tbl

Herbicidal agent // 2271659

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2 cl, 23 tbl, 6 ex

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6 cl, 5 ex

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1 cl, 5 ex

FIELD: chemistry.

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EFFECT: compound is a more efficient paper bleaching agent.

8 cl, 4 tbl, 10 ex

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EFFECT: composition is a more efficient means of achieving high paper whiteness.

9 cl, 4 ex, 3 tbl

FIELD: medicine, pharmaceutics.

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EFFECT: obtaining compounds for obtaining medications, suitable for treatment of pain, fear, stress and other diseases or conditions.

10 cl, 14 tbl, 164 ex

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