70450-82-7

Basic information

• Product Name: 2(3H)-Benzofuranone, 3-(hydroxymethylene)-
• Synonyms: 2(3H)-Benzofuranone, 3-(hydroxymethylene)-
• CAS NO: 70450-82-7
• Molecular Formula: C₉H₆O₃
• Molecular Weight: 162.14
• Mol File: 70450-82-7.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 2(3H)-Benzofuranone, 3-(hydroxymethylene)-(CAS DataBase Reference)
• NIST Chemistry Reference: 2(3H)-Benzofuranone, 3-(hydroxymethylene)-(70450-82-7)
• EPA Substance Registry System: 2(3H)-Benzofuranone, 3-(hydroxymethylene)-(70450-82-7)

Safety Data

• Hazardous Substances Data: 70450-82-7(Hazardous Substances Data)

Upstream product

• 40800-90-6 3-(α-methoxy)methylene benzofuran-2-(3H)-ketone 
• 553-86-6 benzofuran-2(3H)-one 
• 201230-82-2 carbon monoxide 

Downstream Products

• 135641-96-2 (Z)-3-(1-p-chlorobenzoyloxyethylidene)-2(3H)-benzofuranone 
• 135641-97-3 2'-p-chlorobenzoyloxy-spiro-2(3H)-one 
• 34810-67-8 2-(1H-pyrazol-3-yl)phenol 
• 40800-90-6 3-(α-methoxy)methylene benzofuran-2-(3H)-ketone 

Relevant articles and documents

Preparation method of 3-hydroxymethylene benzofuran-2(3H)-one and azoxystrobin intermediates

The invention relates to the field of bactericides, and discloses a preparation method of 3-hydroxymethylene benzofuran-2(3H)-one and 3-(alpha-methoxy)-methylene benzofuran-2(3H)-one. The structure of the 3-hydroxymethylene benzofuran-2(3H)-one is as shown in a formula (2). The method comprises the following steps carrying out contact reaction on a compound with a structure as shown in a formula (1) and CO to obtain the compound with the structure as shown in the formula (2). The method provided by the invention is clean in process condition, low in reaction raw material cost and easy to industrialize, and can realize the purpose of green generation;.