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- This type of compound could be isolated by dry column chromatography with ca. 90% purity which could be estimated by nmr measurement; 8b, nmr (CCl4, δ) 0.90 (3H), 1.2–2.0 (16H), 2.0–2.9 (11H), 3.05 (1H), 3.60 (3H).
- This isomer was found to be contaminated with reduction product of 2-alkylthiocyclopent-2-en-1-one.
- Wigfield , D. C. and Phelps , D. J. 1976 . J. Org. Chem. , 41 : 2396 and references cited therein.
- Configuration of this isomer was tentatively assigned to the following structure.
- The product consisted of three isomers.
- The product showed two spots by tlc analysis.