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26844491170
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note
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3), filtered and evaporated. The residue was purified by flash chromatography on silica gel using dichloromethane-light petroleum (1:2) as eluent to give the hydroxylamine 2.
-
-
-
-
32
-
-
26844515495
-
-
note
-
The N-O bond cleavage and N-protection steps were carried out exactly as described in ref. 9.
-
-
-
-
33
-
-
26844468753
-
-
note
-
3).
-
-
-
-
35
-
-
26844453954
-
-
note
-
4)), filtered and evaporated. Column chromatography on silica gel eluting with ether-light petroleum (1:1) gave the amino ester 4.
-
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36
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37049066338
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Crombie, L.; Haigh, D.; Jones, R. C. F.; Mat-Zin, A. R. J. Chem. Soc., Perkin Trans. 1 1993, 2047.
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