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Carbamates are usually reduced to N-methyl groups. There are numerous examples: J. Am. Chem. Soc. 2012, 134 (16), 6936–6939 Org. Lett. 2012, 14 (18), 4834–4837 But it is not always a given. In this next example, the nitrogen is part of a three-membered ring (aziridine). These nitrogens are better leaving groups than usual, cf. Ketone/aldehyde synthesis ...


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Why DIBAL is weaker than LiAlH4 . as per mechanism mentioned in the site https://www.entrancei.com/questions-lialh4-reaction-and-mechanism LiAlH4 is H- Donor , the RDS is H- release if we take DIBAL it consist of two electron donating group makes it e rich so i think it can donate H- faster than LiAlH4 . secondly i have seen in many book it can reduce all ...


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