105967-31-5

Basic information

• Product Name: 3-Isopropylidene-1-(4-methoxy-phenyl)-4-[1-(3,4,5-trimethoxy-phenyl)-eth-(E)-ylidene]-pyrrolidine-2,5-dione
• CAS NO: 105967-31-5
• Molecular Weight: 437.492
• Mol File: 105967-31-5.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 3-Isopropylidene-1-(4-methoxy-phenyl)-4-[1-(3,4,5-trimethoxy-phenyl)-eth-(E)-ylidene]-pyrrolidine-2,5-dione(CAS DataBase Reference)
• NIST Chemistry Reference: 3-Isopropylidene-1-(4-methoxy-phenyl)-4-[1-(3,4,5-trimethoxy-phenyl)-eth-(E)-ylidene]-pyrrolidine-2,5-dione(105967-31-5)
• EPA Substance Registry System: 3-Isopropylidene-1-(4-methoxy-phenyl)-4-[1-(3,4,5-trimethoxy-phenyl)-eth-(E)-ylidene]-pyrrolidine-2,5-dione(105967-31-5)

Safety Data

• Hazardous Substances Data: 105967-31-5(Hazardous Substances Data)

Upstream product

• 56026-03-0 2-Isopropylidene-3-[1-(3,4,5-trimethoxy-phenyl)-eth-(Z)-ylidene]-succinic acid 
• 42103-98-0 diethyl isopropylidenesuccinate 
• 1136-86-3 methyl (3,4,5-trimethoxyphenyl) ketone 
• 104-94-9 4-methoxy-aniline 
• 56046-66-3 E-2-isopropylidene-3-<1-(3,4,5-trimethoxyphenyl)-ethylidene>succinic anhydride 

Relevant articles and documents

Photochromic Systems. Part 1. Photochemical Studies on (E)-2-Isopropylidene-3-succinic Anhydride and Related Compounds.

The title compound photocyclises to a deep blue solvatochromic 1,8a-dihydronaphthalene (1,8a-DHN), which undergoes a thermal 1,5-H shift to yield a colourless 1,2-DHN, in addition to thermal ring-opening.The rates of these competitive reactions have been