## Abstract ^13^C n.m.r. spectra of some substituted isoxazoles have been examined to ascertain the reactive site in the metallation of 4‐substituted 3,5‐dimethylisoxazoles. The results obtained indicate that metallation occurred exclusively at the C‐5 methyl.
13C nuclear magnetic resonance study of 17α-substituted estradiols
✍ Scribed by Patricia Dionne; Donald Poirier
- Book ID
- 116066046
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 641 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0039-128X
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## Abstract ^13^C signal assignments of 3‐ethyl‐1‐methylindole (**1**), 1‐methyl‐3‐phenylindole (**3**), 1,3‐dimethyl‐2‐phenylindole (**5**), 1‐methyl‐2,3‐diphenylindole (**10**), 1,5‐dimethyl‐2,3‐diphenylindole (**12**), 7‐methoxy‐2,3‐diphenylindole (**13**), 7‐methoxy‐4‐methyl‐2,3‐diphenylindole
Full 13C NMR shift assignments have been made for both the sterculate and malvalate moieties in the seed oil from Sterculia fi~etida, and the chain distribution has been determined from quantitative NMR measurements. The proportion of malvalate is not significant at the inner chain position.