Method of producing n-substituted triazoles

专利摘要:
The invention relates to heterocyclic compounds, in particular, to the preparation of N-derivatives of triazole (PT) of the general formula - a morpholino residue, or Rj has the same value, and Rj is a methylenetriazole residue, which can be used as antioxidants for metals. The purpose of the invention is to obtain more efficient compounds of the indicated class. A PT is obtained by treating unsubstituted triazole with formaldehyde and an amine of the general formula HNR, R, where R and R2 are shown above, in methanol with heating for 3 hours. The yield is 78-100%. New FPs protect metals, such as copper foil, from oxidation (no loss in weight), as well as from exposure to HC1 and dissolved sulfur. 6 tab. i CO from 4: (O; about from 1 cm
公开号:SU1349699A3
申请号:SU853873894
申请日:1985-04-03
公开日:1987-10-30
发明作者:Филлипс Эмыр；Холт Брайэн
申请人:Циба-Гейги Аг (Фирма)；
IPC主号:

专利说明:

The invention relates to chemistry, specifically to a method for producing new N-arbitrary triazole of the general formula
 RI
,
where R and R are the same or different and each represents Cg alkyl, oleyl cyclohexyl or hydroxyethyl, or R and R, j, together with the nitrogen atom to which they are bound, form a morpholine residue, or R has the former meaning, and -2 N-methylene triazole residue.,
which can be used as antioxidants for metals.
The purpose of the invention is to obtain new triazole derivatives, more effective than the known antioxidants for metals.
Example 1. 3.5 parts of triazole and 12.05 parts of di-2-ethylhexylamine are mixed with 100 hours of methanol and 4.05 parts of 36% formalin are added. The mixture is heated under reflux for 3 hours. The solvent is removed under vacuum created by a water-jet pump. Get 1-di- -2-ethylhexylaminomethyltriazole with so Kip, 189 ° C at a pressure of 0.07 mbar .. Yield 100%.
Example 2, 7h. triazole, 12.9 parts of di-n-butylamine and Sjl, parts of 37% aqueous formaldehyde mixed with 100 hours, methanol are reacted under the conditions of the example. 1. Get 20.4 hours (yield 97%) of 1-di-n-butylaminomethyltriazole. Bp 105 C / / 0.075 mbar.
And R eme r 3. 13., 8 h, triazole, .26.8 parts of oleylamine and 16.2 parts of aqueous formaldehyde, mixed cf. 100 hours of methanol, interact under the conditions of Example 1. Get 41, 7 parts N, N -bis (1-triazolylmethyl) oleylamine as a viscous oil.
EXAMPLE 4. 10,, 5 parts of diethanolamine are added to a pure solution & 9 parts of triazole and 8.1 parts of 36% aqueous formaldehyde in 100 parts of water. The mixture is heated under reflux for 8 4. Then the solvent is removed in vacuo. Get 1- (2, 2 -dihydroxyethyl) aminomethyl triazole with a yield of 95%. T, kip. 115 s / 0.08 mbar.
About 5 in 10,5 hours triazole, 10.95 parts of morpholine and 12.2 parts of aqueous formaldehyde (37%), mixed with 150 parts of methanol, are subjected to an interaction as in Example 1, obtaining 22 parts (88%) of N-morpholinomethyltriazole.
The spectrum (proton NMR) of the obtained product corresponds to this
5 structure. T. pl. 69-71 ° C.
Example 6.9 hours triazole, 18.1 parts of dicyclohexylamine and 8.1 parts of 37% aqueous formaldehyde mixed with 100 parts of methanol are reacted in the same way as Example 1. 24 hours (yield 92%) 1- N, N - dicyclohexylaminomethyltriazole. T. pl. 62-64 S.
Example 7. 6.9 h, triazole,.
5 9.7 hours, diallylamine and 8.1 parts of 37% aqueous formaldehyde mixed with 100 parts of methanol, are reacted analogously to Example 1. 16.4 h (yield 89%) of 1-N, N0 diallylaminomethyltriazole are obtained. T. Kip, 140 ° C / 0.2 mbar.
PRI me R 8. 13.8 hours of triazole, 9.3 hours, aniline and 16.2 hours of 37% aqueous formaldehyde mixed with. 100 h, methanol, is subjected to the interaction of example 1. 19.6 h. (78%) of N, K-bis (triazolylmethylene) aniline are obtained in the form of a viscous oil.
Example 9, 27.6 hours triazole, 6 parts of diaminoethane and 32.4 parts of 37% aqueous formaldehyde mixed with 100 parts of methanol, are reacted in the same manner as Example 1. 37.3 parts (97% yield) of N, N, N N- are obtained. tetra (triazolylmethylene) diaminoztan. M.P. 127-129 ° C.
EXAMPLE 10, 34.5 parts of triazole, 10.3 parts of diethylenetriamine and 40.5 parts of 37% aqueous formaldehyde, mixed with 100 parts of methanol, are reacted as in Example 1. It is obtained 44.2 parts (95% yield) of N, N, N, N, N -penta (triazolylmethylene) dystilenetriamine as a viscous orange maola.
five
0
five
0
five
The following examples illustrate the activity of the compounds obtained as metal deactivators.
13
p 11. Prepare 0.05%
An example is a solution of the compound obtained in Example 1 in a turbine mineral oil containing dissolved sulfur in an amount of 50 ppm.
Copper tape (60 x 10 x 1 mm) is polished with a piece of silicon carbide grade 100, which is taken on cotton wool moistened with petroleum ether. Then the whole polished tape is quickly immersed in the prepared solution, the temperature of which is maintained at 100 ° C for 2 hours. After this time, the tape is removed, washed with petroleum ether, dried and its color is compared with the colors specified in ASTM D130 Copper Strip Conosien Standard Chart .
For this gradation, 1 represents zero to a slightly dull color; 2 - moderately dull; 3 - dark dim; 4 - corrosion, and the symbols A, B and D - shades according to the number gradation.
The results are shown in Table. G.
Example 12. Prepare a 0.05% solution of the compound obtained in Example 4 in water containing 0.132 g / l of MgS04 7H O and 0.68 g / l of CaC
 (water is used in the D1N51360 test), and the pH of the solution is adjusted to 7-8 with sodium hydroxide. A piece of copper foil (20x50x0.1 mm) is cleaned, wiping it with cotton wool moistened with water and powdered pumice stone, dried and weighed. It is then fully immersed in 50 ml of the prepared solution, which is in a 60 mm bottle equipped with a screw cap. Then the flask is placed for 24 hours in an oven in which it is kept. After this time has elapsed, the tape is taken out, washed and dried, its color is recorded using ASTM D130 color classification. Then it is 15 seconds immersed in 5n. hydrochloric acid at 120c, | washed, dried and weighed again.
The test results are given JB table. 2
Example 13. A 0.05% solution of the compound obtained in Example 6 in a turbine mineral oil was prepared and tested in Example 11.
The test results are shown in Table. 3


Example 14. A solution (0.05%) of the compound obtained in Example 5 is prepared in water and tested in Example 12.
The test results are shown in Table. four.
Primer, p 15. Prepare solutions of the compounds obtained in Examples 2 and 3 in a turbine mineral oil containing 50 ppm of dissolved sulfur and are subjected to the test as in Example 5.
The test results are shown in table.5.
Example 16. Solutions (0.05%) of the known compounds N, N-bis (benzotriazolylmethyl) oleylamine (17) and N, N-diallylaminomethylbenzotriazole (18) are prepared in mineral oil for turbines containing dissolved sulfur (50 hours). per million), test: in example 11 (Table 6). The test results are shown in Table. 1 - 5 and 6, demonstrate higher protective failures of the compounds obtained.

权利要求:
Claims (1)
[1]
Invention Formula
The method of obtaining N-substituted triazoles of the general formula
N-NT
where R and R are the same or different and each represents C-Cg-alkyl, oloyl, cyclohexyl or oxyethyl, or R and R BMecTe with the nitrogen atom to which they are bound form the morpholine residue, or R, has the same value , and Rg is the N-methylene triazole residue,
characterized in that the unsubstituted triazole is treated with foraldehyde and an amine of the general formula
HNR, R, de R, and Rg are as indicated.
Compound
The appearance of the metal (class)
Control
In example 1
Fuchsin (SG)
Without interpretation (1A)
Compound
Weight loss
mg
Control
6
In example 4
0.4
In example 3 No change (1A)
Table 1
I
The appearance of the solution
Colorless
Table 2
The appearance of the metal (class)
The appearance of the solution

Colorless Colorless
Compound
The appearance of the metal (class)
Magenta (SG)
No change (1B)
Unchanged (1B)
Editor M.Petrova
Compiled by G. Palmbach
Tehred L. Oliynyk Proofreader N. Korol
Order 5203/58 Circulation 371. Subscription
VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Production and printing company, Uzhgorod, Projecto st., 4
1349699
8 Table
External view of the solution
d metal
Colorless
P

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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GB848408617A|GB8408617D0|1984-04-04|1984-04-04|Metal deactivators|

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