Process for optically active 2-alkyl-2,5-diazabicyclo(2.2.1) hep

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

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548566, C07D20746, C07D48708

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050138391

ABSTRACT:
1S,4S and 1R,4R-2-alkyl-2,5-diazabicyclo[2.2.1]-heptanes useful as intermediates in the synthesis of certain antibacterial quinolones, are prepared respectively, from trans-4-hydroxy-L-proline and trans-4-hydroxy-D-proline via multistep procedures.

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Synthesis of CIS and Trans Isomers of 4-Chloro-L-Proline, 4-Bromo-Proline, and 4-Amino-2-Proline, R. H. Andreatta et al., Australian Journal of Chemistry, 1967, (20), pp. 1493-1509.
The Preparation of CIS-and Trans-4-H.sup.3 -L-Prolines and their use in Studying the Mechanism of Enzymatic Hydroxylation in Chick Embryos, Fujita et al., JACS, (86), Nov. 1964, pp. 4709-4716.
[.sup.18 F]Flourine Labeled Aliphatic Amino Acids, M. van der Ley, J. Labelled Cmpds. and Radiopharmaceuticals, (20), 4, pp. 453-461, (1983).
Portoghese, et al., J. Org. Chem., 31, 1059-1062, (1966).
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