SYNTHESIS OF 2-ACETYL-5,8-DIHYDRO-1,4-DIHYDROXY-3-METHYL NAPHTHALENE - A PRODUCT FROM THE ISOMERIZATION OF DIELS-ALDER ADDUCTS OF BOTH 5-METHYL-2-ACETYL-1,4-BENZOQUINONE AND 6-METHYL-2-ACETYL-1,4-BENZOQUINONE WITH 1,3-BUTADIENE
Fbh. Ahmad et Jm. Bruce, SYNTHESIS OF 2-ACETYL-5,8-DIHYDRO-1,4-DIHYDROXY-3-METHYL NAPHTHALENE - A PRODUCT FROM THE ISOMERIZATION OF DIELS-ALDER ADDUCTS OF BOTH 5-METHYL-2-ACETYL-1,4-BENZOQUINONE AND 6-METHYL-2-ACETYL-1,4-BENZOQUINONE WITH 1,3-BUTADIENE, Synthetic communications, 26(7), 1996, pp. 1263-1271
tyl-5,8-dihydro-1,4-dihydroxy-3-methyl-naphthalene was synthesised via
Diels-Alder addition of 2-acetyl-3-methyl-1,4-benzoquinone to buta-13
-diene followed by enolisation. It was identical with material obtaine
d by pyridine-induced acetyl migration from the 1,3-butadiene adducts
of both 3- and 6-methyl-2-acetyl-1,4-benzoquinone.