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Communication | Regular issue | Vol 38, No. 2, 1994, pp.243-248
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6568
Total Synthesis of Islandic Acid I Methyl Ester, Rosellisin and Rosellisin Aldehyde

Takeshi Shimizu,* Sayoko Hiranuma, Tsumoru Watanabe, and Masayuki Kirihara

*The Institute of Physical and Chemical Research, Wako-shi, Saitama 351-0198, Japan


Total synthesis of islandic acid I methyl ester (2), rosellisin (3) and rosellisin aldehyde (4) has been accomplised starting from 4-hydroxy-5-hydroxymethyl-6-methyl-2H-pyran-2-one (9a) via formylation of 9a with dichloromethyl methyl ether and titanium tetrachloride as a key step.