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- W2890808741 abstract "Abstract An efficient aza‐Michael addition of ( R or S )‐ α ‐phenethylamine, a chiral nitrogen nucleophile to ( E )‐nitroalkenes 2 a‐f permits the synthesis of vicinal diamines (or 1, 2‐di‐amine) after reduction of the 1, 4‐adducts 3 a‐f (or 3’a‐f ). The key adducts 3 a‐f (or 3’a‐f ) can be obtained in good yields (up to 78%) and excellent diastereoselectivities (up to > 98:2 dr (diastereomeric excess ratio)). In addition, this is one of the scarce examples where chiral phenethylamine and nitroalkenes have been used in catalyst‐free aza‐Michael additions. Our developed strategy opens an efficient entry to synthetic building blocks of vicinal diamines for natural products and drugs." @default.
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- W2890808741 date "2018-09-13" @default.
- W2890808741 modified "2023-09-25" @default.
- W2890808741 title "Diastereoselective Synthesis of Vicinal Diamines by Aza-Michael Addition of Chiral Phenethylamine to Nitroalkenes" @default.
- W2890808741 cites W2324089179 @default.
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- W2890808741 doi "https://doi.org/10.1002/slct.201802673" @default.
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