中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 5,5'-ethane-1,1-diyl-bis-furan-2-carboxylic acid | 91570-60-4 | C12H10O6 | 250.208 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1,7,13,19-tetramethyl<14>(2,5)furanophane | 61093-51-4 | C24H24O4 | 376.452 |
—— | 5,5'-Ethylidenbis(furan-2-carbaldehyd) | 203389-80-4 | C12H10O4 | 218.209 |
—— | (E,E)-5,16-Dihydro-5,16-dimethyl-1,4:6,9:12,15:17,20-tetraepoxy[22]annulen | 203637-21-2 | C24H20O4 | 372.42 |
—— | (Z,Z)-5,16-Dihydro-5,16-dimethyl-1,4:6,9:12,15:17,20-tetraepoxy[22]annulen | —— | C24H20O4 | 372.42 |
Furan and sylvan condense with aldehydes, chlorinated aldehydes and ketones, and keto acids, in the presence of hydrochloric acid. In most cases, the corresponding difurylalkane or difuryl-substituted acid is formed. In special cases the reaction stops at the furylcarbiriol stage.