4479-75-8

Basic information

• Product Name: 3-methylbut-2-enamide
• Synonyms: 2-butenamide, 3-methyl-; 3-Methylbut-2-enamide
• CAS NO: 4479-75-8
• Molecular Formula: C₅H₉NO
• Molecular Weight: 99.1311
• Mol File: 4479-75-8.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 227.2°C at 760 mmHg
• Flash Point: 91.2°C
• Density: 0.941g/cm³
• Vapor Pressure: 0.0784mmHg at 25°C
• Refractive Index: 1.457
• CAS DataBase Reference: 3-methylbut-2-enamide(CAS DataBase Reference)
• NIST Chemistry Reference: 3-methylbut-2-enamide(4479-75-8)
• EPA Substance Registry System: 3-methylbut-2-enamide(4479-75-8)

Safety Data

• Hazardous Substances Data: 4479-75-8(Hazardous Substances Data)

Usage

General Description

3-methylbut-2-enamide, also known as isoprenyl acetamide, is a chemical compound with a molecular formula of C5H9NO. It is a colorless liquid with a slight ammonia-like odor. 3-methylbut-2-enamide is commonly used in organic synthesis and as a chemical intermediate in the production of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is also used as a fragrance and flavoring agent in the food industry. 3-methylbut-2-enamide is known for its diverse range of applications and is considered to be an important building block in the synthesis of various organic compounds.

Upstream product

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• 18938-02-8 5,6-dihydro-4,6,6-trimethyl-2(1H)-pyridinone 
• 28695-63-8 2-acetoxyisovaleronitrile 
• 541-47-9 3-Methylbutenoic acid 
• 3437-29-4 3,3-dimethylpyrrolidine-2,5-dione 
• 4786-24-7 3,3-dimethylacrylonitrile 

Downstream Products

• 4786-24-7 3,3-dimethylacrylonitrile 
• 28490-61-1 3-Methyl-but-2-enoic acid (toluene-4-sulfonylaminocarbonyl)-amide 
• 28490-30-4 1-[(p-methoxyphenyl)sulfonyl]-3-(3-methylcrotonoyl)-urea 
• 28522-80-7 1-[(p-chlorophenyl)sulfonyl]-3-(3-methylcrotonoyl)-urea 
• 13822-06-5 3,3-dimethylallylamine 
• 541-46-8 isobutylamide 
• 173337-04-7 3-amino-3-methylbutanamide 
• 86548-56-3 N-(diaminophosphinyl)isopentenoylamide 
• 15745-12-7 N-cyclohexyl-3-methylbut-2-enamide 

Relevant articles and documents

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Fast and efficient one step synthesis of dienamides

A fast and efficient one-step approach to the synthesis of dienamides is reported. This concise methodology relies on the use of imides as reactive intermediates and allows for the preferential formation of Z,E-dienamides in good yields.

PYRAZOLE DERIVATIVES, MEDICINAL COMPOSITION CONTAINING THE SAME, MEDICINAL USE THEREOF, AND INTERMEDIATE FOR PRODUCTION THEREOF

The present invention provides pyrazole derivatives represented by the general formula: wherein R1 represents H, an optionally substituted C1-6 alkyl group etc.; one of Q and T represents a group represented by the general formula: or a group represented by the general formula: while the other represents an optionally substituted C1-6 alkyl group etc.; R2 represents H, a halogen atom, OH, an optionally substituted C1-6 alkyl group etc.; X represents a single bond, O or S; Y represents an optionally substituted C1-6 alkylene group etc.; Z represents -RB, -CORC etc. in which RB represents an optionally substituted C1-6 alkyl group etc.; and RC represents an optionally substituted C1-6 alkyl group etc.,; R4 represents H, an optionally substituted C1-6 alkyl group etc.; and R3, R5 and R6 represent H, a halogen atom etc., pharmaceutically acceptable salts thereof or prodrugs thereof, which exhibit an excellent inhibitory activity in human SGLT1 and are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, impaired glucose tolerance, impaired fasting glycemia, diabetic complications or obesity, and a disease associated with the increase of blood galactose level such as galactosemia, and pharmaceutical compositions comprising the same, pharmaceutical uses thereof, and intermediates for production thereof.