ropyran iodide are elaborated from D-glucose each in practicable procedures of 5 and 10 steps, resp., and subsequently joined to give, after oxidation, deprotection and acetylation, (−)-anamarine (ent-). The synthesis proves the absolute configuration of natural (+)-anamarine ().
由
D-葡萄糖分别以可行的5和10步骤的步骤分别制备6-脱氧醛-
D-葡萄糖的二
丙酮和(S,S)-2-乙氧基-6-
三苯基膦酰基甲基-二氢
吡喃
碘化物。并随后加入到得到,后氧化,脱保护和乙酰化,( - ) - anamarine(ENT - )。合成证明了天然(+)-富勒胺()的绝对构型。