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Azarius
(Newbee) 05-14-02 20:06 No 308449 |
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phenylnitroalkenes ---(Pb/DMF-AcOH)---> oximes | Bookmark | |||||
In Post 242123 (Cyrax: "Re: Synthesis of amphetamines", Methods Discourse), Cyrax quotes a procedure for the conversion of phenylnitroalkenes to the corresponding acetoximes and ketoximes. Has anyone tried this procedure? Am I mistaken in thinking this looks like the easiest, fastest, high-yielding way of preparing oximes from phenylnitroalkenes? Any help greatfully appreciated. Azarius |
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kurupira (Stranger) 05-15-02 14:37 No 308763 |
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ref | Bookmark | |||||
This one uses Na2SnO2 made in situ, and yields are good: Post 70461 (yellium: "Tet. Lett. 26(49), 6013-14 (1985)", Novel Discourse) |
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Rhodium (Chief Bee) 05-15-02 20:29 No 308876 |
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Oximes using SnCl2 | Bookmark | |||||
Apparently that procedure is only good for small quantities, at least using straight SnCl2: Post 192513 (Ritter: "Re: solubility of SnCl2 in H2O", Chemistry Discourse) |
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kurupira (Stranger) 05-16-02 02:34 No 308999 |
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maybee the solvent... | Bookmark | |||||
Rhod:in the article above cited they use THF as the solvent, Ritter mentions EtOAc as solvent... L.S.Dog! |
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