Synthesis of β-lactams using a new phosphorylating agent, phenyl N-methyl-N-phenylphosphoramidochloridate
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Shridhar,Ram,Lakshmi Narayana,et al.
p. 846 - 847
(2007/10/02)
SYNTHESIS OF β-LACTAMS BY CONVENIENT ANNELATION OF IMINES
2-Acyl-3-oxo-4,5-benzo-1,2-thiazoline 1,1-dioxide (3) provides good yield routes to monocyclic β-lactams (6) and tricycic β-lactams (7) from a variety of imines (4) and 1-substituted-3,4-dihydroisoquinolines (5).
Miyake, M.,Tokutake, N.,Kirisawa, M.
p. 353 - 362
(2007/10/02)
A convenient method for the synthesis of β-lactams via 1-methyl-2-halopyridinium salts
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Amin,Glazer,Manhas
p. 210 - 213
(2007/10/05)
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