Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1984-11-13
1988-06-14
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
540363, C07D20508, C07D40304, C07D40312, C07D40314
Patent
active
047512997
ABSTRACT:
Optically active .beta.-lactams of the general formula ##STR1## wherein R.sup.1 is an amino or protected amino group, R.sup.2 is an organic residue bonding through a carbon atom thereof and R.sup.3 is the residue remaining after removal of the .alpha.-amino group from an optically active .alpha.-amino acid or a derivative thereof as well as a method of producing the same.
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Kawano Yasuhiko
Sugawara Tohru
Yoshioka Kouichi
Berch Mark L.
Takeda Chemical Industries Ltd.
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