Page 11 - Catalysts for Fine Chemical Synthesis Vol 1 - Robert & Poignant

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12.5.3 Preparation of optically active
N-acyloxazolidinones . . . . . . . . . . 188
12.5.4 Synthesis of (R)-N-propionyl-4,5,5-trimethyl-1,
3-oxazolidin-2-one. . . . . . . . . . . . 189
12.6 Enantioselective ruthenium-catalyzed hydrogenation of
vinylphosphonic acids . . . . . . . . . . . . . . 190
Virginie Ratovelomanana-Vidal, Jean-Pierre Gene Ãt
12.6.1 Synthesis of chiral Ru(II) catalysts . . . . . . 190
12.6.2 Asymmetric hydrogenation of vinylphosphonic
. . . 191
acids carrying a phenyl substituent at C 2
12.6.3 Asymmetric reduction of a vinylphosphonic
acid carrying a naphthyl substituent at C 2 . . . 192
12.6.4 Scope of the hydrogenation reaction . . . . . 193
12.7 Synthesis of a cylindrically chiral diphosphine and
asymmetric hydrogenation of dehydroamino acids
Jahyo Kang and Jun Hee Lee . . . . . . . . . . . 194
12.7.1 Preparation of (R,R)-1,1 -bis(a-hydroxypropyl)
0
ferrocene . . . . . . . . . . . . . . . 195
0
12.7.2 Preparation of (R,R)-1,1 -bis
[a-(dimethylamino)propyl]ferrocene . . . . . 196
0
12.7.3 Preparation of (R, R, p S, p S)-1,1 -bis
[a-(dimethylamino)propyl]-2,2 -bis
0
(diphenyl-phosphino)ferrocene . . . . . . . 197
12.7.4 Preparation of (R, R, p S, p S)-1,1 -bis
0
[a-acetoxypropyl)-2,2 -
0
bis(diphenyl-phosphino)ferrocene . . . . . . 198
12.7.5 Preparation of ( S, p S)-1, 1 -bis
0
p
(diphenylphosphino)-2,2 -bis(1-ethylpropyl)
0
ferrocene [(S,S)-3-Pt-FerroPHOS] . . . . . . 199
12.7.6 Preparation of [(COD)Rh(( p S, p S)-1,
1 -bis(diphenylphosphino)-2,2 -bis
0
0
(1-ethylpropyl)ferrocene] BF ÿ . . . . . . . 200
‡
4
12.7.7 Asymmetric hydrogenation of
a-acetamido cinnamic acid. . . . . . . . . 201
12.8 Synthesis and application of diamino FERRIPHOS
as ligand for enantioselective Rh-catalysed
preparation of chiral a-amino acids
Matthias Lotz, Juan J. Almena Perea and
Paul Knochel. . . . . . . . . . . . . . . . . . 202
0
12.8.1 Synthesis of 1,1 -di(benzoyl)ferrocene . . . . . 202
12.8.2 Synthesis of (S,S)-1,1 -bis
0
(a-hydroxyphenylmethyl)ferrocene . . . . . . 204
12.8.3 Synthesis of (S,S)-1,1 -bis
0
(a-acetoxyphenylmethyl)ferrocene . . . . . . 205