MUMBAI, India, Aug. 22 -- Intellectual Property India has published a patent application (202517046098 A) filed by International Flavors & Fragrances Inc., New York, on May 13, for 'process of making 2,2,6,6,7,8,8-heptamethyl-3,6,7,8-tetrahydro-2h-indeno[4,5-b]furan and its uses.'

Inventor(s) include Sanchez Quesada, Jorge; Leyva-Perez, Antonio; and Sanz-Navarro, Sergio.

The application for the patent was published on Aug. 22, under issue no. 34/2025.

According to the abstract released by the Intellectual Property India: "This disclosure relates to a process which involves using 1,1,2,3,3-pentamethyl-5- (2-methylallyl)-1,2,3,5,6,7-hexahydro-4H-inden-4-one (Methallyl Indomuscone) and/or 5-(2- hydroxy-2-methylpropyl)-1,1,2,3,3-pentamethyl-1,2,3,5,6,7-hexahydro-4H-inden-4-one (Hydroxyisobutyl Indomuscone) as starting material to make 2,2,6,6,7,8,8-heptamethyl- 3,6,7,8-tetrahydro-2H-indeno[4,5-b]furan (Aromatic Cyclized Compound). This disclosure also relates to an anaerobic process which involves using Methallyl Indomuscone and/or Hydroxyisobutyl Indomuscone as starting material to make intermediate compound(s) which can be used to make Aromatic Cyclized Compound or 2,2,6,6,7,8,8- heptamethyldecahydro-2H-indeno[4,5-b]furan (Musk Indenofuran). This disclosure also relates to a process for making Musk Indenofuran through Aromatic Cyclized Compound as an intermediate. This disclosure also relates to a one-pot process for making Musk Indenofuran by using Hydroxyisobutyl Indomuscone as the starting material. This disclosure also relates to a phosphine derivative compound of structural formula (X) and a process of making it. wherein R is selected from the group consisting of alkyl group, cycloalkyl group, phenyl group, substituted phenyl group, and perfluorinated alkyl group."

The patent application was internationally filed on Oct. 09, 2023, under International application No.PCT/EP2023/077879.

Disclaimer: Curated by HT Syndication.