Carotenoids of Thiorhodaceae |
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| Authors: | Norbert Pfennig M Clare Markham Synnøve Liaaen-Jensen |
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| Institution: | (1) Institut für Mikrobiologie der Universität, Göttingen;(2) Organic Chemistry Laboratories, Norway Institute of Technology, Trondheim;(3) Present address: Chemistry Department, St. Joseph College, West Hartford, Conn., U.S.A.;(4) Chemistry Department, St. Joseph College, West Hartford, Conn., U.S.A. |
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| Abstract: | Summary The isolation, morphology and growth chracteristics of pure cultures of a Thiothece, Lamprocystis and Thiodictyon strain are described.Their carotenoid composition is reported. The Thiothece strain produced in addition to okenone (1), several related ketocarotenoids, among which a demethylated okenone (6) was identified by a small scale total synthesis. Thiodictyon and Lamprocystis produced carotenoids of the rhodopinal (previously warmingone) series, the latter organism contained as major carotenoids a lycopenol (4), not previously found in Nature, and a cross-conjugated lycopenal (2), previously called anhydro-warmingone.Part 7. Acta chem. scand. 21, 2185 (1967). |
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