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
Categorie Soggetti
Chemistry
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
.