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Tebby, J. C.; Allen, D. W., Science of Synthesis, (2007) 31, 2086.
Arylphosphines readily displace a simple tertiary alkylamine from a quaternary ammonium salt under mild conditions and so the latter can also be used to quaternize arylphosphines. Thus, triphenyl(pyrrol-2-ylmethyl)phosphonium iodide (9) is prepared using the appropriate Mannich base methiodide (Scheme 5).[53]
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Meeeeeeee(eeeeee-8-eeeeeeee)eeeeeeeeeee Meeeee (8); Meeeeee Meeeeeeee:[88]
MMMMMMM: Meeeeeeeee, eeeeeeeee, ee eeee eeeeeeeeee ee eeeeeeeeeee eee ee eeeee.
8-[(Meeeeeeeeeeee)eeeeee]eeeeeee (8.8 e, 88 eeee) eee MeM (88.8 e, 88.8 eeee) eeee eeeeeee eeeeeeee ee Me8M/MeMM, (8:8; 88 eM) ee ee eee 8 e. Meeeeee ee eee eeeeeee eeee e eeeeeeeee eeee, eeeee eee eeeeeeeee ee MeMM/eeeeeee (MMMMMMM: eeeeeeeeee) (8:8; 88 eM) eee eeeeeee eeee Me8M (88.8 e, 88.8 eeee) eee 8 e ee ee. Meeee eeeeeee ee eee eeeeeee, eee eeeeeeee eeeee eee eeeeeeeee eeee Me8M (8 × 888 eM) ee eeeeee eeeeee Me8M eee eeee eeeeeeeeeeeeee (MeMM); eeeee: 8.8 e (88%); ee 888°M; 8M MMM (MMMM-e8, δ): 88.88 (ee e, 8M), 8.88 (e, 88M), 8.88 (e, 8M), 8.88 (e, 8M), 8.88 (e, 8M), 8.88 (e, 8M, M = 88.8 Me).
References
[9] | Meeeeeee, M.; Meee, M.; Meeeee, M.; Meeee, M., Mee. M. Meee., (8888) 88, 8888. |
[53] | Meeeeee, M.; Meeee, M. M., Meeeeee Mee. Meee., (8888), 8888. |
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- 8.Meeeee-Meee, (8888) 88/8, 88.