Medium-sized Cyclophanes. Part 49. O-Alkylation of 8,16-Dihydroxy[2.2]metacyclophane
作者:Takehiko Yamato、Yuta Yamada、Mai Hirahara
DOI:10.1039/a907328k
日期:——
O-Alkylation of 8,16-dihydroxy[2.2]metacyclophane 1 with alkyl halides in the presence of K2CO3 affords the mono-O-alkylated product 2; similar reaction in the presence of Cs2CO3 or NaH affords dialkylated product 3 in almost quantitative yield.