Reaktionen mit Isobutyraldehyd, 11 1) 2-0xo-4-hydroxy-5.5-dimethyl-6-isopropyl-hexahydropyrimidin von UIrich Schwenk und Adorf Becker Aus dem Hauptlabor der Farbwerke Hoechst AG Eingegangen am 12. Januar 1966 Darstellung, Eigenschaften, Umsetzungen und Strukturbeweis von 2-0~0-4-hydroxy-5.5-dimethyl
Microbiological synthesis of 4-hydroxy-5-isopropyl-5-methoxy-2-oxo-2,5-dihydrofuran
β Scribed by P. A. Parshikov; P. B. Terent'ev; D. V. Modyanova; H. Hofmann; G. Hoffe; M. Vogel
- Publisher
- Springer US
- Year
- 1994
- Tongue
- English
- Weight
- 88 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0009-3122
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π SIMILAR VOLUMES
The first one step synthesis of Z-methoxy-5-alkoxy-2.S-dihydrofurans (Za-i) is reported by reacting the commercially available 2.5-dimethoxy derivative (1) with alcohols Unexpectedly the use of thiophenol and of us-2,4-but-2-enediol leads to Z-tixyl phenyl thioether (4) and cr.s-?-propenal-.3dioxep-
A convenient procedure for the preparation of carbamate derivatives of 5-oxo-2,5-dihydrofuran (3) was described. The method is based on the Michael type addition of three alkyl carbamates (2) with 4-acetyl-5methyl-2,3-dihydro-2,3-furandione (1). According to 1 H nmr spectra of compounds show tautome