Process for producing indenol esters or ethers

Details Process for producing indenol esters or ethers Process for producing indenol esters or ethers

2007-07-31

2007-07-31

Zucker, Paul A. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C512S018000, C512S019000

Reexamination Certificate

active

11581172

ABSTRACT:
The present invention relates to a process for making indenol esters or ethers from an α-substituted cinnamic aldehyde derivative such as an acetal or an acylal. Said reaction is promoted by the use of strong mineral acids, sulphonic acids, acidic zeolites or Lewis acids.

REFERENCES:
Pincock, J. A. et al., XP009054483 “The Photochemistry Of Indenyl Alcohols And Esters: Substituent Effects On The Competition Between Ion- And Radical-Derived Products” Canadian Journal Of Chemistry, vol. 81 (10),pp. 1083-1095 (2003).
Kapur, S. et al. XP009054494, “Substituent Effects On The Rate Of Carbene Formation In The Pyrolysis Of Indenyl Diazo Compounds” Canadian Journal Of Chemistry, vol. 66 (11), 2888-93 (1988).
Abstract: accession No. rid 9727726, XP002355038.
Abstract: accession No. rid 2884274, XP002355039.
Abstract: accession No. rid 305299, XP002355040.
Abstract: accession No. rid 7987060, XP002355041.

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