(1,2,5-Trimethyl-4-piperidylidene)-α-naphthylamines in the synthesis of 9-methylnaphtho [1, 2-b ] [1, 6 ]naphthyridine and 2,3-dimethyl-4- azaphenanthrene
✍ Scribed by N. S. Prostakov; V. G. Pleshakov; T. Kholdarova; V. P. Zvolinskii; L. N. Plaksii
- Book ID
- 112329042
- Publisher
- Springer US
- Year
- 1972
- Tongue
- English
- Weight
- 407 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0009-3122
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Herein we report an approach to the formation of 5-alkynyl-1,3-dioxin-4-ones using Suzuki-Miyaura cross-coupling reaction of potassium alkynyltrifluoroborate salts with 2,2,6-trimethyl-5-iodo-1,3dioxin-4-one. The resulting 5-ethynyltrimethylsilyl-1,3-dioxin-4-ones obtained through the Sonogashira re