(−)-anamarine is described using d(+)-mannitol and (R)-epichlorohydrin. The synthesis is achieved starting from easily accessible d(+)-mannitol using a selective benzoylation, regioselective epoxide ring opening, a selective acetonide deprotection, tosylation and cross metathesis reaction.
                                    使用d(+)-
甘露糖醇和(R)-表
氯醇描述了(-)-茶碱的有效合成。使用选择性苯甲酰化,区域选择性
环氧化物开环,选择性
丙酮化物脱保护,
甲苯磺酸酯化和交叉复分解反应,从易于获得的d(+)-
甘露醇开始进行合成。