The novel water-soluble chiral PNNP-type
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Bao-Zhu Li; Jian-Shan Chen; Zhen-Rong Dong; Yan-Yun Li; Qing-Biao Li; Jing-Xing
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Article
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2006
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Elsevier Science
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English
โ 234 KB
The condensation of o-(diphenylphosphino)benzaldehyde and (R,R)-1,2-diaminocyclohexane in dichloromethane gives a diiminodiphosphine ligand, which is reduced with excess NaBH 4 in refluxing ethanol to afford the corresponding diaminodiphosphine ligand [(R,R)-C 6 P 2 (NH) 2 ]. The novel water-soluble