Synthesis of <Emphasis Type="Italic">N</Emphasis>-substituted derivatives of arylsulfonyl hydrazides and their investigation as additives for lubricating oils: Fid-Bau Portal

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Synthesis of N-substituted derivatives of arylsulfonyl hydrazides and their investigation as additives for lubricating oils

Mamedov, S. A. / Mamedova, S. I. / Guseinov, I. Sh. / Ladokhina, N. P. / Fatalizade, F. A. / Farzaliev, M. F.

Abstract The reaction between arylsulfonyl chlorides and hydrazine has been studied, and it has been found that in the presence of excess hydrazine, the bis-derivatives are produced in small amounts along with monoarylsulfonyl hydrazides. It has been revealed that the reaction of monosulfonyl hydrazides with alkyl bromides in the presence of a base results only in N-alkylation of the sulfamide nitrogen, although the reaction in the presence of HCl proceeds at the amine group with the formation of quaternary ammonium salts. A method for the preparation of sulfonyl hydrazides by oxidation of N-alkyl sulfamides in the presence of iodine has been developed. Some arylsulfonyl hydrazide derivatives have been examined as antioxidant, antirust, and antiwear additives. These sulfonyl hydrazides also exhibit a high bactericidal and fungicidal activity.

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Synthesis of N-substituted derivatives of arylsulfonyl hydrazides and their investigation as additives for lubricating oils

Mamedov, S. A. / Mamedova, S. I. / Guseinov, I. Sh. / Ladokhina, N. P. / Fatalizade, F. A. / Farzaliev, M. F.

Abstract The reaction between arylsulfonyl chlorides and hydrazine has been studied, and it has been found that in the presence of excess hydrazine, the bis-derivatives are produced in small amounts along with monoarylsulfonyl hydrazides. It has been revealed that the reaction of monosulfonyl hydrazides with alkyl bromides in the presence of a base results only in N-alkylation of the sulfamide nitrogen, although the reaction in the presence of HCl proceeds at the amine group with the formation of quaternary ammonium salts. A method for the preparation of sulfonyl hydrazides by oxidation of N-alkyl sulfamides in the presence of iodine has been developed. Some arylsulfonyl hydrazide derivatives have been examined as antioxidant, antirust, and antiwear additives. These sulfonyl hydrazides also exhibit a high bactericidal and fungicidal activity.

Synthesis of N-substituted derivatives of arylsulfonyl hydrazides and their investigation as additives for lubricating oils

Mamedov, S. A. / Mamedova, S. I. / Guseinov, I. Sh. / Ladokhina, N. P. / Fatalizade, F. A. / Farzaliev, M. F.

Abstract The reaction between arylsulfonyl chlorides and hydrazine has been studied, and it has been found that in the presence of excess hydrazine, the bis-derivatives are produced in small amounts along with monoarylsulfonyl hydrazides. It has been revealed that the reaction of monosulfonyl hydrazides with alkyl bromides in the presence of a base results only in N-alkylation of the sulfamide nitrogen, although the reaction in the presence of HCl proceeds at the amine group with the formation of quaternary ammonium salts. A method for the preparation of sulfonyl hydrazides by oxidation of N-alkyl sulfamides in the presence of iodine has been developed. Some arylsulfonyl hydrazide derivatives have been examined as antioxidant, antirust, and antiwear additives. These sulfonyl hydrazides also exhibit a high bactericidal and fungicidal activity.

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Title:

Synthesis of N-substituted derivatives of arylsulfonyl hydrazides and their investigation as additives for lubricating oils

Contributors:

Mamedov, S. A. (author) / Mamedova, S. I. (author) / Guseinov, I. Sh. (author) / Ladokhina, N. P. (author) / Fatalizade, F. A. (author) / Farzaliev, M. F. (author)

Published in:

Petroleum Chemistry ; 52 ; 284-287

Publication date:

2012-07-01

Size:

4 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544112040068

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Grease , Hydrazide , Petroleum Chemistry , Sulfonyl Chloride , Alkyl Bromide Chemistry , Industrial Chemistry/Chemical Engineering

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