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A metal free approach to access congested aryl amines using aza-oxyallyl cations as electrophiles has been reported. The given method could readily be adapted for the synthesis of coveted 3,5-benzodizepinones.

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Intrathecal morphine is a very good analgesic agent and was used frequently in the past. Its use has decreased over the years due to side effects such as respiratory depression, nausea, vomiting, pruritis, and so on. Also, with the introduction of drugs like clonidine and the availability of ultrasonography for regional blocks, the role of morphine has declined. Yet, there are surgeries where intrathecal morphine supersedes all other analgesic modalities to provide excellent intraoperative and postoperative analgesia.

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