ENCOUNTER OF AN INFERIOR INTRAMOLECULAR CYCLIZATION IN AN APPROACH TOWARD THE SYNTHESIS OF 10-OXO-2-THIAMETACYCLOPHANE:PREPARATION OF TWO ISOMERIC DIOXO-2,19-DITHIAMETACYCLOPHANES
The sodium sulfide coupling of 1,2-bis(3-bromomethyl)phenylethanone, prepared in seven steps from m,α-dichlorotoluene, was attempted but failed to yield the desired 10-oxo-2-thia-metacyclophane.This is attributed to unfavorable geometry in the thiacy
Lai, Yee-Hing,Yeo, Lay-Hoon
p. 1629 - 1636
(2007/10/02)
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