H-, I3C-, and "0-NMR spectra for the 2-substituted enaminones MeC(O)C(Me)=CHNH(t-Bu) (l), EtC(O)C(Me)=CHNH(t-Bu) (2), PhC(O)C(Me)=CHNH(t-Bu) (3). and MeC(O)C(Me)=CHNH(f-Bu) (4) are reported. These data show that 3 exists mainly in the (E)-form, 4 in (Z)-form, and 1 and 2 as mixtures of both forms. P
✦ LIBER ✦
Convenient Synthesis 1H, 13C NMR Study and X-Ray Crystal Structure Determination of Some New Disubstituted Thiophenes
✍ Scribed by Safarik, J. Blazevic; Karminski-zamola, G.; Marinic, Z.; Klaic, B.; Mrvos-sermek, D.
- Book ID
- 126627012
- Publisher
- Taylor and Francis Group
- Year
- 1999
- Tongue
- English
- Weight
- 605 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0038-7010
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