Abstract
The reaction of grossmisin (8α-hydroxyachillin,1) with chlorine in benzene afforded a mixture of products. The less polar product readily crystallized after chromatography. According to the X-ray diffraction data, this product has the structure of 1α,10β-dichloro-1,10-dihydrogrossmisin. The second chloro derivative of grossmisin,viz., 8β-chloroachillin, was prepared in good yield by the reaction of lactone1 with PCl5 in CHCl3 in the presence of Py.
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Published inIzvestiya Akademii Nauk Seriya Khimicheskaya, No. 11, pp. 1932–1934, November, 2000.
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Alebastrov, O.V., Pigiltsova, S.A., Atazhanova, G.A. et al. Synthesis of two new chloro derivatives of the guaianolide grossmisin and the crystal structure of one derivative. Russ Chem Bull 49, 1902–1904 (2000). https://doi.org/10.1007/BF02494933
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DOI: https://doi.org/10.1007/BF02494933