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Structure and molecular chirality of the acetonitrile adduct of the 2:1 salt of quinidine with biphenyl 5,5′-dinitro-2,2′-dicarboxylic acid (5,5′-dinitrodiphenic acid)

✍ Scribed by Maciej Kubicki; Teresa Borowiak; Marian Gawron

Publisher
Springer
Year
1992
Tongue
English
Weight
425 KB
Volume
22
Category
Article
ISSN
1572-8854

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Enantiomerically pure 1,2,5-triphenylphospholane through the synthesis and resolution of the chiral trans-(2,5)-diphenylphospholanic acid
✍ Frédéric Guillen; Jean-Claude Fiaud 📂 Article 📅 1999 🏛 Elsevier Science 🌐 French ⚖ 190 KB

The synthesis and resolution of trans-(2,5)-diphenylphospholanic acid 7 is described. The phosphinic acid 7 was converted into optically active (1,2,5)-triphenylphospholane 5 which was used as a chiral ligand in Rhcatalyzed hydrogenation of N-acetyl dehydrophenylalanine methyl ester to give quantita