FRIEDEL-CRAFTS IPSO-ACYLATIONS OF 2-SUBSTITUTED 4-TERT-BUTYL-ANISOLESAND P-TERT-BUTYLMETHOXYMETACYCLOPHANES

Citation
T. Yamato et al., FRIEDEL-CRAFTS IPSO-ACYLATIONS OF 2-SUBSTITUTED 4-TERT-BUTYL-ANISOLESAND P-TERT-BUTYLMETHOXYMETACYCLOPHANES, Journal of chemical research. Synopses, (8), 1995, pp. 310
Citations number
22
Categorie Soggetti
Chemistry
ISSN journal
03082342
Issue
8
Year of publication
1995
Database
ISI
SICI code
0308-2342(1995):8<310:FIO24>2.0.ZU;2-O
Abstract
Acylation of 1,n-bis-(5-tert-butyl-2-methoxyphenyl)alkanes 6 and 5,13- di-tert-butyl-8,1 6-dimethoxy[2.2]metacyclophane 15 with an acid chlor ide or acid anhydride in the presence of a Lewis acid affords only the product arising from two-fold ipso-acylation at the tert-butyl groups .