Iodoethane → 5-ethyl-6,7-dihydro-1-benzothiophen-4(5H)-one

関与物質

反応手順

Following the procedure for the preparation of 5-methyl-6,7-dihydro-1-benzothiophen-4(5H)-one but substituting iodoethane and making non-critical variations provided the title compound as a oil: 1H NMR (300 MHz, CDCl3) δ) 7.40, 7.07, 3.18–2.96, 2.43–2.27, 2.09–1.94, 1.59, 1.02. HRMS (FAB) calcd for C10H12OS+H 181.0687, found 181.0684. Anal. Calcd for C10H12OS: C, 66.63; H, 6.71. Found: C, 66.50; H, 6.75.

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