Stereochemical studies 136. saturated heterocycles 141.1 synthesis and conformational study of stereoisomeric 2,2-disubstituted-5,6-tri- and -5,6-tetramethylene-tetrahydro-1,3-oxazin-4-ones
✍ Scribed by Ferenc Fülöp; Kalevi Pihlaja; Jorma Mattinen; Gábor Bernáth
- Book ID
- 108371631
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- French
- Weight
- 256 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0040-4020
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## Abstract The configuration and conformation of __Z__‐ and __E__‐__N__‐methyl‐ and ‐__N__‐benzyl‐2‐__p__‐nitrophenyl‐4,5‐, and ‐5,6‐tetramethylenetetrahydro‐1,3‐oxazines were determined by ^1^H and ^13^C NMR spectroscopy. The __Z__ isomers were proved to be conformationally homogeneous, having th
Vilsmeier-Haack type reaction on isoxazolin-5-ones is presented. Recently described is zin-6-ones. 2 The synthetic We report here on the the preparation of a number of E-amino-' and 2-phenyl-6H-1,3-oxapotential of such a class of compounds is well documented.3 syntheses by a Vilsmeier-Haack type rea