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Explain why two different reducing agents give diastereomeric products. OH NABH4 Under Felkin-Anh control H*, H20 Me DBAI Under chelation control H*, H20 Me DBAI

Explain why two different reducing agents give diastereomeric products.

OH NABH4 Under Felkin-Anh control H*, H20 Me DBAI Under chelation control H*, H20 Me DBAI =

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