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Synlett 1994; 1994(12): 1023-1024
DOI: 10.1055/s-1994-34975
DOI: 10.1055/s-1994-34975
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Dianions of N-Protected lminodiacetic Acid Diesters: New Synthons with Broad Synthetic Potentialities
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Publication History
Publication Date:
22 March 2002 (online)
Boc N-protected iminodiacetic acid diesters easily give dianionic species in the presence of two equivalents of lithium diisopropylamide (LDA). Further addition of various electrophiles results in symmetrically disubstituted compounds with modest to good yields. This method gives a new access to nitrogen heterocycles when dielectrophiles are used.