REFERENCES
- We will soon submit the manuscript related to synthetic studies of TA-2005
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- After finishing our research, Donner B.G. reported a similar conversion of chiral aminoacid to optically active α-methylamines by Raney nickel reduction of N-Boc protected amino acid-derived thioethers. See ref. Donner B. G. Tetrahedron Lett. 1995 36 1223
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- The tosylation of (S)-3 by using an usual method (TsCl (1.2eq) / pyridine, 0°C, 1.5hr) gave the desired (S)-4 in lower yield (61.8 %) compared to this PTC method
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- Kocovsky , P. and Cerny , V. 1979 . Coll. Czechoslov. Chem. Commun. , 44 : 234
- The synthetic study for TXA2 antagonists was reported by Kohno H. et al.; See Abstracts Papers of 15th Symposium on Med.Chem. (Osaka, Japan), 1994, pp. 151—152.
- Wada , H. , Ishii , K. , Tsumagai , N. , Matsuo , M. and Matsumoto , M. 1984 . Japan Kokai , 59 : 76051