Synthesis of new chloro derivatives of 1,3-dioxolane and obtaining on them basis load-carrying additives

DOI: 10.32758/2071-5951-2020-03-36-41

УДК 547-316; 542.913/547, 578.6; 541, 135:541.138

Синтез новых хлорпроизводных 1,3-диоксолана и получение на их основе противозадирных присадок

Mustafayev N.P., Novotrozhina N.N., Musayeva B.I., Safarova M.R., Ramazanova Yu.B., Ismayilov I.P., Mustafayeva Y.S.

(Academician A.Guliyev Institute of Chemistry of Additives of NAS Azerbaijan, Baku)

E-mail: yegane.434@mail.ru

Keywords: dioxolane, glycerin, mono- and disulfide, mineral oil, load-carrying properties

Abstract

On the basis of a-chloropropanediol and dialkyl ketones, 2,2-dimethyl-4-chloromethyl-1,3-dioxolanes were synthesized.

By condensation of 2,2-dimethyl-4-hydroxymethyl-1,3-dioxolane with monochloroacetic acid, 2,2-dimethyl-4-chloromethylcarboxymethyl-1,3-dioxolane was synthesized, the latter was also obtained by counter synthesis by the interaction of a-chloromethylcarboxymethylpropanediol with dimethylketone. Based on the obtained chlorine-containing derivatives of 1,3-dioxolane, a number of mono- and disulfides were synthesized. It has been established that they possess high load-carrying properties in AK-15 mineral trans mission oil.

On the basis of hydroxymethylchloroacetamide and 2,2-dimethyl-4-hydroxymethyl-1,3-dioxolane, 2,2-dimethyl-4-chloromethylcarbamoylmethyloxymethyl-1,3-dioxolane was synthesized, the interaction of which with N, N-diethyldithiocarbamate gave S(N-2,2-dimethyl-4-methyloxymethyl-1,3-dioxolane) carbamoylmethyldiethyldithiocarbamate.

The possibility of obtaining the indicated compound was also shown by the interaction of 2,2-dimethyl-4-hydroxymethyl-1,3-dioxolane and S-hydroxymethylcarbamoylmethyldiethyl dithiocarbamate. The S-hydroxymethylcarbamoylmethyldiethyldithiocarbamate used is based on S-carbamoylmethyldiethyldithiocarbamate and paraform in an alkaline medium. It was found that S(N-2,2-dimethyl-4-methyloxymethyl-1,3-dioxolane) carbamoylmethyldiethyldithiocarba¬mate has high load-carrying properties in synthetic essential oil (PEE).

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