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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 29, Number 5
BKCSDE 29(5)
May 20, 2008 

Efficient Synthesis of Cylindol A and the Proposed Structure of Cylindol B: The Structure of Cylindol B Still in Question
Jay Hyok Chang, Do Hyun Nam, Hyunik Shin*
Cylindol A, Cylindol B
Highly efficient syntheses of cylindol A (1) and the proposed structure of cylindol B (2) have been accomplished using common synthetic transformations from symmetrical starting materials 7 and 11, respectively. The latter synthesis revealed that the proposed structure of the natural cylindol B was assigned incorrectly. Isomers of 2 such as 15 and 16 were synthesized as a possible candidate of the natural cylindol B. However, their spectral data also did not match that of the natural cylindol B. Therefore, the structure of the natural cylindol B is yet to be resolved.
1003 - 1006
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