1608112-09-9

Basic information

• Product Name: (Z)-4-methyl-3-(2-oxo-2-phenylethylidene)indolin-2-one
• CAS NO: 1608112-09-9
• Molecular Weight: 263.296
• Mol File: 1608112-09-9.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: (Z)-4-methyl-3-(2-oxo-2-phenylethylidene)indolin-2-one(CAS DataBase Reference)
• NIST Chemistry Reference: (Z)-4-methyl-3-(2-oxo-2-phenylethylidene)indolin-2-one(1608112-09-9)
• EPA Substance Registry System: (Z)-4-methyl-3-(2-oxo-2-phenylethylidene)indolin-2-one(1608112-09-9)

Safety Data

• Hazardous Substances Data: 1608112-09-9(Hazardous Substances Data)

Upstream product

• 1128-44-5 4-methyl-1H-indole-2,3-dione 
• 98-86-2 acetophenone 

Relevant articles and documents

Studies on the stereochemical assignment of 3-acylidene 2-oxindoles

The designation of E/Z-geometrical isomers in 3-acylidene 2-oxindoles by NMR spectroscopy can lead to erroneous assignment of alkene stereochemistry because of the narrow chemical shift range observed over a large series of analogues. In contrast, UV-Vis spectroscopy offers a convenient and more reliable method for alkene stereochemical assignment. A combination of X-ray crystallography and theoretical studies shows that the observed differences in UV-Vis spectroscopic behaviour relate to the twisted conformation of the Z-isomers that provides reduced conjugation and weaker hypsochromic (blue-shifted) absorbances relative to those of the E-isomers.