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Ytterbium Triflate Catalyzed Synthesis of Ethyl 1,2,3,4-Tetrahydroisoquinoline-1-carboxylates Using Ethyl Chloro(phenylselanyl)acetate.

✍ Scribed by Huey-Min Wang; Iou-Jiun Kang; Ling-Ching Chen


Publisher
John Wiley and Sons
Year
2004
Weight
83 KB
Volume
35
Category
Article
ISSN
0931-7597

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✍ Stanislas Mayer; Axelle Arrault; GÉRald Guillaumet; Jean-Yves Mérour 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 65 KB

## Abstract Ethyl 3,4‐dihydro‐2__H__‐1,4‐benzoxazine‐3‐carboxylate derivatives **2** were obtained and isolated in low yields from the condensation of 2‐aminophenol and ethyl 2,3‐dibromopropanoate. They can be obtained by hydrogenation of ethyl 2__H__‐1,4‐benzoxazine‐3‐carboxylate in satisfactory y