Copper(I)-BINOL Catalyzed Domino Synthesis of 1,4-Benzoxathiines through 𝐂_{(𝐚𝐫𝐲𝐥)}-O Bond Formation

Table 3

Scope of the domino reaction with various epoxides and o-bromothiophenol for the synthesis of 1,4-benzoxathiine moieties^a.

Entry	Epoxide	1,4-Benzoxathiines	Time (h)	Yield (%)^b
1			80	62
2			78	40
3			78	32
4			87	21

^aReactions were carried out in pressure tube; ^bisolated yield.