SU397008A1 - The method of obtaining urea complex acetic calcium salt - Google Patents

Description

one

The invention concerns a method for producing a new quartz bamide complex of yalcium acetic salt, which can be used in living animals due to the newer properties compared to the known analgesic compounds.

A method of producing a carbamide complex of copper acetate, which consists in the fact that the urea is treated with acetic acid or copper in water in an aqueous medium, with the release of the target product by known methods. The process is carried out mainly at 25 C.

The proposed method for preparing the urea complex of calcium acetate is that the urea is reacted with calcium acetate, mainly in an aqueous medium, at a pH of 5-6, a temperature of 25-40 ° C, with the release of a target percentage by known techniques.

Example. Take 15-80 g. calcium acetate and g of carbamide per 10O of iodine at pH 5-6. Come on. This mixture is energetically turned over;

I for 4-8 hours at 2S-4O C to form a complex. The end of the reaction is set at a constant concentration of calcium to grow; thief and homogeneity of crystals of complex: Noah salt under a microscope. Spray salt: filter under vacuum, then dry at; 40-50 ° C.

 In the analysis of ssh. found,%:

Acetic acid (Calcium carbonate Urea Crystallization water

Close to theoretical calculations,%:

Calcium Acetate

Urea

Water

The salt yield is 78%. New. Complex; corresponds to molecular form

I mule:

Sa (SNSOO) 2

(NH2) 2CO

.

1 Mol. weight is 236, Salt has a white color, taste, low odor, soluble in water and in mineral acids.

3lri7008

3.4

taH | in (solvents difficult to remove infrared spectra for

soluble For example,%: ethyl alcohol is your coke for the starting materials.

O, O5v; Toluene 0, O006j tetrashrystyryAnalysis of salt pro "zvidit; on trace1 "carbon Oh, OP65. The density in the ethyl saturation method: the calcium ion is determined: alcohol 2,164, in toluene 2,1316 g / cm. | trigonometric, carbamide - according to KjellSredn density of 2.1487 g / cm diesel;

Claims (1)

The index of the number of molecules N l, 519i PPPO. Formula of the invention WfVlV fc.,  The physicist Oh-mi che 1 was also determined. The method of obtaining the carbamide Komi I window properties of the original events. Crystal-ages calcium sulphate acetic acid, onl and; U1 carbamide is colorless, does not have a smell, but it is also, and with that, urea. crystal form - tetragonal causes interaction with acetic acid with a density of 1.335 g / cm, in water with very: calcium, with the release of the target, it is well soluble. Calcium acetic acid by well-known techniques. Water soluble, colorless water in water 152. The method according to claim 1, is different. Refractive indices N1,55; shys by the fact that the process is carried out in water 1, 56; 1.57 environment at pH 5-6 and 25-40 ° C.