Gold(I)-Catalyzed Regioselective Cyclization to Access Cyclopropane-Fused Tetrahydrobenzochromenes.
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DOI: 10.1021/acs.orglett.2c02564
Abstract: Gold(I)-catalyzed efficient synthetic transformation was achieved to access the tetrahydrobenzo[h]cyclopropa[c]chromenes from allyl-substituted 1,6-diynes. Cyclopropane-fused tetrahydrobenzochromenes were obtained regioselectively in ≤92% yields. In this atom-economic organic transformation, three new C-C bonds were formed sequentially in one… read more here.
Keywords: fused tetrahydrobenzochromenes; cyclopropane fused; catalyzed regioselective; gold catalyzed ... See more keywords