1960
DOI: 10.1002/jlac.19606310110
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Einwirkung von tertiären Aminen auf o‐metallierte Arylhalogenide, III Umsetzung von N‐Alkoxymethyl‐aminen und N‐Dialkylaminomethyl‐carbonamiden mit o‐Fluor‐phenylmagnesiumbromid

Abstract: N-Alkoxymethyl-dialkylamine und N-Dialkylaminomethyl-carbonamide set-Zen sich mit o-Fluor-phenylmagnesiumbromid in siedendem Tetrahydrofuran im Sinne einer Transaminomethylierung unter Bildung von o-Fluorbenzyldialkylaminen X um. o-Fluor-phenylmagnesiumbromid wirkt demnach bei diesen Umsetzungen nicht als Dehydrobenzol-Quelle; es reagiert als GRIGNARD-Verbindung, ohne da8 der Fluor-Ligand in Mitleidenschaft gezogen wird. Die Umsetzungen von Methylen-bis-aminen mit o-Fluor-phenylmagnesiumbromid zu o-Aminobenzyl… Show more

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Cited by 5 publications
(2 citation statements)
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“…The a/@ ratios paralleled the a/ortho order for the benzyltrimethylammonium system;* i.e., for the lithium bases, RLi, the R group effect was (12) A . If proton abstraction giving ylides 9 and 10, as evident in the 1.00 1.000 a/@ rearrangement ratio 4/5, was the controlling factor (k, >> kg, k, >> ICM), then less discrimination was evident with increasing base strength.…”
Section: Discussionmentioning
confidence: 80%
See 1 more Smart Citation
“…The a/@ ratios paralleled the a/ortho order for the benzyltrimethylammonium system;* i.e., for the lithium bases, RLi, the R group effect was (12) A . If proton abstraction giving ylides 9 and 10, as evident in the 1.00 1.000 a/@ rearrangement ratio 4/5, was the controlling factor (k, >> kg, k, >> ICM), then less discrimination was evident with increasing base strength.…”
Section: Discussionmentioning
confidence: 80%
“…Earlier sodium amide rearrangement^^-^ were at temperatures 50-60' below the current ambient organolithium experiments or as much as 110" below our reactions in refluxing ethanol. 12 No ortho migration product was evident in any of these reactions until a solvent change to hexane with n-butyllithium as base gave detectable 6 . These rearrangements are very base and solvent dependant as well and, for benzyltrimethylammonium ion at least, almost exclusive ortho migration can be observed within the temperature range currently used.…”
Section: Discussionmentioning
confidence: 95%