中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
5-羟基-1,3-二甲基嘧啶-2,4-二酮 | 1,3-dimethyl-5-hydroxyuracil | 20406-86-4 | C6H8N2O3 | 156.141 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1,3,6-trimethyl-6,7-dihydrofuro<3,2-d>pyrimidine-2,4<1H,3H>-dione | 94154-90-2 | C9H12N2O3 | 196.206 |
—— | (1,3-Dimethyl-2,4-dioxo-6-prop-2-enylpyrimidin-5-yl) 2-iodobenzoate | 1189377-99-8 | C16H15IN2O4 | 426.211 |
—— | (1,3-Dimethyl-2,4-dioxo-6-prop-2-enylpyrimidin-5-yl) 2-prop-2-enoxybenzoate | 1143446-25-6 | C19H20N2O5 | 356.378 |
The eleven-membered macrolides and thirteen-membered ansa-bridged macrolides have been synthesized successfully by ring-closing metathesis reaction in the absence of the additive Ti(OiPr)4, which is essential for the metathesis reaction of the ester precursors.