中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2,3-Dihydro-4lambda~4~-naphtho[2,1-b]thiopyran-4(1H)-one | 64244-22-0 | C13H12OS | 216.3 |
—— | Benzo |
7432-84-0 | C13H12OS | 216.304 |
—— | 2,3-dihydro-1H-naphtho<2,1-b>thiopyran-1-one | 3528-20-9 | C13H10OS | 214.288 |
—— | 2,3-dihydro-1H-naphtho<2,1-b>thiopyran-1-one 4-oxide | 64244-23-1 | C13H10O2S | 230.287 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2,3-Dihydro-4lambda~4~-naphtho[2,1-b]thiopyran-4(1H)-one | 64244-22-0 | C13H12OS | 216.3 |
2,3-二氢-1H-萘并[2,1-b]噻喃4,4-二氧化物 | 2,3-dihydro-1H-benzo[f]thiochromene-4,4-dioxide | 5324-59-4 | C13H12O2S | 232.303 |
A simple and environmentally friendly method to prepare S-heterocycles by cyclization of aromatic thiols and diols with H2O as a byproduct is described. The Sc(OTf)3-catalyzed dehydrative cyclizations of aromatic thiols and diols provided the corresponding thiopyran and thiophene derivatives. Control experiments were also performed to obtain insights into the reaction pathway