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Geffken, D.; Köllner, M. A., Science of Synthesis, (2009) 40, 966.
Several β-(hydroxyamino) alcohols are prepared in low to modest yields from β-benzylamino alcohols[196] by oxidation with hydrogen peroxide and sodium tungstate; similarly, some 2-phenylalkylamines are converted into the respective N-(2-phenylalkyl)hydroxylamines in low yield.[197] More efficiently, oxidation of primary amines to afford N-alkylhydroxylamines 155 is accomplished in yields of 65–80% with the urea–hydrogen peroxide complex and sodium tungstate as catalyst (Scheme 49).[198]
Meeeee 88 Meeeeeeee ee M-Meeeeeeeeeeeeeeeeee eeee Meeeeee Meeeee Meeee Meeeeeee Meeeeeee eee Meeeee Meeeeeeee[888]
M8 | Meeee (%) | Mee |
---|---|---|
88 | [888] | |
MMMe8 | 88 | [888] |
88 | [888] | |
88 | [888] | |
88 | [888] | |
88 | [888] | |
88 | [888] |
Meeeeeeeeeee Meeeeeeee
(M)-M-(8-Meeeeeeeeee)eeeeeeeeeeeee (888, M8 = MMMeMe); Meeeeee Meeeeeeee:[888]
Me e eeeeeee ee Me8MM8 (8.888 e, 8.88 eeee) eee eeee•M8M8[888] (888 ee, 8.8 eeee) ee Me8M (88 eM) eee eeeee (M)-(8-eeeeeeeeeee)eeeee (M8 = MMMeMe; 888 ee, 8 eeee). Mee eeeeeee eee eeeeeee ee ee eee 8 e, eee eeeeeeeee eeeeeeeeee eee eeeeeeee eeeeeee e eee ee Meeeee, eee eee eeeeeeee eee eeeeeeeeeeee eeeee eeeeeee eeeeeeee. Mee eeeeeee eee eeeeeeee ee eeeee eeeeeeeeeeeeee (MeMMe/eeeeee 8:8); eeeee: 88 ee (88%); ee 88–88°M; MM (MMe) ν̃eee: 8888–8888, 8888, 8888, 8888, 8888 ee−8; 8M MMM (MMMe8, δ): 8.88 (e), 8.88 (e), 8.88–8.88 (e), 8.88–8.88 (e).
References
[196] | Meeeee, M. M.; Meeeeeeeee, M.; Meeeee, M.; Meeee, M., Meeeeee Mee./Meee., (8888), 888. |
[197] | Möeeeee, M.-M.; Meeeee, M.; Meeeeee, M., Meee Meeee. Meee., (8888) 8, 888. |
[198] | Meeeeee, M.; Meeeeeeeee, M., Mee. Meeee. Meeee., (8888) 888, 8888. |
[199] | Meeee, M. M.; Meeeeee, M. M., Mee. Meee., (8888) 8, 888. |
Meeeeee Meeeeeeeeee
- 8.Meeeee-Meee, (8888) 8/8e, 888.