Synthesis of Ξ±-amino phosphonic acids vi
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Shatzmiller, Shimon ;Dolitzky, Ben-Zion ;Meirovich, Revital ;Neidlein, Richard ;
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Article
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1991
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John Wiley and Sons
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English
β 463 KB
## Abstract The oxoiminium salts 4a, b, and 8 obtained by alkylation with Et~3~OBF~4~ of the aldonitrones 3a, b, and 7 react with diphenyl hydrogen phosphite to give the __N__βalkoxy Ξ±βamino phosphonic esters 6 and 9a, b. Similarly, the cyclic imine oxides 10a, b and the cyclic oxime ethers 14a, b