2-Ethoxybenzamide CAS:938-73-8

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INTRODUCE 2-Ethoxybenzamide is used as antipyretic analgesic. BASIC INFORMATION Usage: 2-Ethoxybenzamide is used in the treatment of fever, headache, neuralgia, arthralgia, rheumatoid arthritis, toothache, dysmenorrhea and other diseases. Production methods 2-Ethoxybenzamide was produced by…

Description

INTRODUCE

2-Ethoxybenzamide is used as antipyretic analgesic.

BASIC INFORMATION

Product Name 2-Ethoxybenzamide
Other Name Etamide;Benzamide,2-ethoxy;2-ethoxy-benzoic acid amide;2-Aethoxy-benzoesaeure-amid;ethenzamide;
Cas No. 938-73-8
Molecular Formula C9H11NO2
Molecular Weight 165.18900
Appearance and properties White powder
Storage conditions Store in a normal temperature
Structural Formula 46

Usage:

2-Ethoxybenzamide is used in the treatment of fever, headache, neuralgia, arthralgia, rheumatoid arthritis, toothache, dysmenorrhea and other diseases.

Production methods

2-Ethoxybenzamide was produced by following method.

It is prepared by ethylation of salicylamide (C7H7NO2,[65-45-2]).Put salicylamide, solid sodium hydroxide and ethanol in the pan, heat up to 60-70℃ airtight, stir for 30min, cool to 30℃, add ethane bromide, then heat up to 80-100℃ airtight, the pressure is not more than 0.2MPa, react for 3h.Reduce to normal pressure,pH should be more than 8.5.Filter while hot, filter residue sodium bromide recovery.After most of the ethanol is evaporated from the filtrate, white crystals are precipitated out by adding distilled water.After filtration, water was washed to neutral, and then dried, o-ethoxybenzoamide was obtained.The yield is about 75%.It is also possible to use chloroethane instead of bromoethane for ethylation, but at a higher pressure.

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