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Communication | Regular issue | Vol 34, No. 1, 1992, pp.21-24
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5920
Synthesis and Absolute Configuration of the Green Alga Cytokinin 2-Hydroxy-1'-methylzeatin

Tozo Fujii,* Masashi Ohba, Tsuyoshi Haneishi, Satoshi Matsubara, A. H. Abad Farooqi, and Y. N. Shukla

*Faculty of Pharmaceutical Scicences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920, Japan

Abstract

The correctness of the gross structure of the marine green alga cytokinin 2-hydroxy-1'-methylzeatin (1) has been confirmed as a result of the chiral syntheses of (1'R)-1 and (1'S)-1. An indirect comparison of the cytokinin activity of the natural cytokinin with those of the synthetic enantiomers suggests that the R configuration may be assigned to the natural one unless it would be racemic.