1955
DOI: 10.1002/prac.19550020507
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Über Picoline, II. Synthese und Umsetzungen von Picolyl‐(2)‐magnesiumbromid

Abstract: Das bislang nur schwierig zugängliche Picolyl‐(2)‐magnesiumbromid wird in überraschend glatter Reaktion durch Umsetzung von 2‐Picolin mit Alkylmagnesiumbromid in der Wärme erhalten. Die Darstellung sowie einige neue Umsetzungsprodukte der Verbindung werden beschrieben.

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Cited by 24 publications
(4 citation statements)
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“…To be certain of the outcomeo ft his reaction, we synthesized 7 by an alternative route from methylisoquinoline (8;S cheme 2b). [19] Using com-pound 7 as ar eference in the analysiso ft he crude reaction mixtures by 1 HNMR spectroscopy, we unambiguously verified that 7 wasn ot formed in the attempted Minisci reactions. This indicates that the radical 2 is probably too electrophilic to react with 6 under acidic conditions.…”
Section: Resultsmentioning
confidence: 62%
See 1 more Smart Citation
“…To be certain of the outcomeo ft his reaction, we synthesized 7 by an alternative route from methylisoquinoline (8;S cheme 2b). [19] Using com-pound 7 as ar eference in the analysiso ft he crude reaction mixtures by 1 HNMR spectroscopy, we unambiguously verified that 7 wasn ot formed in the attempted Minisci reactions. This indicates that the radical 2 is probably too electrophilic to react with 6 under acidic conditions.…”
Section: Resultsmentioning
confidence: 62%
“…Although we carried out several experiments with different amounts of reagents and solvents, we were unable to obtain the desired product 7 (Scheme a). To be certain of the outcome of this reaction, we synthesized 7 by an alternative route from methylisoquinoline ( 8 ; Scheme b) . Using compound 7 as a reference in the analysis of the crude reaction mixtures by 1 H NMR spectroscopy, we unambiguously verified that 7 was not formed in the attempted Minisci reactions.…”
Section: Resultsmentioning
confidence: 95%
“…The reaction mixture was treated with a 10% aqueous solution of concentrated sodium sulphite, then with aqueous sodium carbonate, and extracted with dichloromethane. The extract was washed with saturated sodium chloride solution, dried over anhydrous sodium sulphate, and evaporated to give a residue, which was chromatographed on alumina ( (19). In the solid state, however, based upon ir evidence, only the en01 form is present (20).…”
Section: Treatment Of 2-picolyl Lithium With Dibenzoyl Peroxidementioning
confidence: 99%
“…Even if the picolyl halide is liberated, it strongly tends to polymerise. [109,110] If inorganic atoms such as phosphorus are be incorporated in ligands, other synthetic options than picolyllithium are even more limited, since those atoms are weak nucleophiles.…”
Section: Anionic Picolyl Metal Compounds 21 Introductionmentioning
confidence: 99%