84628-40-0

Basic information

• Product Name: 3,3-diisopropyl-2-benzofuran-1(3H)-one
• Synonyms: 3,3-diisopropyl-2-benzofuran-1(3H)-one
• CAS NO: 84628-40-0
• Molecular Formula: C₁₄H₁₈O₂
• Molecular Weight: 218.29152
• Mol File: 84628-40-0.mol
• Article Data: 4

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 3,3-diisopropyl-2-benzofuran-1(3H)-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3,3-diisopropyl-2-benzofuran-1(3H)-one(84628-40-0)
• EPA Substance Registry System: 3,3-diisopropyl-2-benzofuran-1(3H)-one(84628-40-0)

Safety Data

• Hazardous Substances Data: 84628-40-0(Hazardous Substances Data)

Upstream product

• 85-44-9 phthalic anhydride 
• 920-39-8 isopropylmagnesium bromide 
• 4376-18-5 Monomethyl phthalate 
• 1068-56-0 isopropylmagnesium iodide 

Downstream Products

• 100971-79-7 2-(1-isopropyl-2-methyl-propenyl)-benzoic acid 

Relevant articles and documents

Reductive coupling of phthalic anhydrides with aliphatic ketones by low-valent titanium: Unusual two-to-one coupling for preparation of 3,3-disubstituted phthalides

The reductive coupling of phthalic anhydrides with acetone by Zn-TiCl4 in THF gave two-to-one and one-to-one coupled products. The coupled products were transformed to 3,3-diisopropyl-, 3-isopropylidene-, and 3-isopropylphthalides. In addition, the reductive coupling of phthalic anhydrides with acetonylacetone by Zn-TiCl4 in THF gave 3-spirocyclopentanylphtalides stereoselectively.

A new ring enlargement reaction of γ-lactones to seven-membered cyclic ethers via intramolecular endo-mode cyclisation of the ω-hydroxy allenyl ketone intermediates in situ

Phthalides 1a-f were treated with prop-2-ynylmagnesium bromide followed by treatment with 20% HCl in one pot to give the corresponding seven-membered cyclic ethers, benzoxepins 4a-f.