Diastereoselective Reductive Nitro-Mannich Reactions
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https://figshare.com/articles/dataset/Diastereoselective_Reductive_Nitro_Mannich_Reactions/2521489
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资源简介：
A range of nitroalkenes 1 and imines 3 derived from alkyl, aryl, and heteroaryl aldehydes underwent
a tandem 1,4-hydride addition nitro-Mannich reaction to afford anti-rich β-nitroamines 4. The crude anti-β-nitroamines 4 could be converted
to the corresponding anti-β-nitroacetamides 5 (33 examples) to allow purification in good yield from the
parent nitroalkenes (60–87%), and with a high diastereomeric
ratio (90:10 to mostly >95:5). A representative selection of anti-β-nitroacetamides 5 (five examples)
were reduced to vicinal diamines 7 with zinc hydrochloride;
concomitant acyl migration provided differentially protected vicinal
diamines 7 in good yield (80–91%).
创建时间：
2016-02-20
