New synthetic route of guanidine from trichloroacetamide for tetrodotoxin and its related compounds
β Scribed by Toshio Nishikawa; Norio Ohyabu; Noboru Yamamoto; Minoru Isobe
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 991 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0040-4020
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π SIMILAR VOLUMES
Synthetic Studies on Indoles and Related Compounds. Part 45. A New Route for the Tricyclic Indole System: A Useful Intermediate for Ergot Alkaloids. -4-Bromoindole derivatives bearing Ξ±,Ξ²-unsaturated esters or aldehydes in the C 3 -side chain [cf. (IV), (VI), (IX)] are prepared and subjected to int
## Experimental Section DMP (2.0 equiv) was added in one portion to a solution of 7 a (0.1 mmol) in benzene (4 mL) or BTF. [6] The solution was heated at reflux (or at 80 Β± 85 8C for the reactions in BTF) for about 30 min at which point TLC indicated complete consumption of starting material. Dilu
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