1953
DOI: 10.1002/cber.19530860222
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Reaktionen an der Carbonamid‐Gruppe, II. Mitteilung

Abstract: Es wurde eine Reihe von homologen N‐Nitroso‐N‐alkyl‐acetamiden dargestellt, die bei der Behandlung mit Alkali die entsprechenden Diazoalkane in guten Ausbeuten liefern. Die thermische Zersetzung der Nitroso‐alkyl‐acetamide wurde untersucht und ein Mechanismus erörtert, der die dabei auftretenden Erscheinungen und das Ausbleiben der für Carbenium‐Mechanismen zu erwartenden Umlagerungen deutet. Weiterhin wurde die Umsetzung der N‐Nitroso‐N‐alkyl‐acetamide mit Grignard‐Verbindungen untersucht.

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Cited by 39 publications
(19 citation statements)
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“…This compound was prepared by the procedure of Heyns and von Bebenburg. 18 mp 103-104°C (lit. 18 104-105 °C); IR (Nujol) 3289, 1638, 1491 cm -1 ; 1 H NMR (CDCl3) δ 4.65 (d, 2H, J ) 5.7 Hz), 6.55 (bs, 1H), 7.29-7.50 (m, 8H), 7.80 (d, 2H, J ) 6.9 Hz).…”
Section: Methodsmentioning
confidence: 99%
“…This compound was prepared by the procedure of Heyns and von Bebenburg. 18 mp 103-104°C (lit. 18 104-105 °C); IR (Nujol) 3289, 1638, 1491 cm -1 ; 1 H NMR (CDCl3) δ 4.65 (d, 2H, J ) 5.7 Hz), 6.55 (bs, 1H), 7.29-7.50 (m, 8H), 7.80 (d, 2H, J ) 6.9 Hz).…”
Section: Methodsmentioning
confidence: 99%
“…N-Benzylpivalamide was prepared from the method of Heyns and von Bebenburg; 11 for physical data see ref.…”
Section: N-benzylpivalamidementioning
confidence: 99%
“…Although some amines, especially those in -amino acids, can be directly converted into alcohols by treatment with sodium nitrite, [1] this transformation is rather ineffective on isolated amines that do not benefit from a neighboring carbonyl group. Pioneering work has identified the thermal rearrangement of N-nitrosoamides (Scheme 1) as an option for amide-to-ester conversion, [2,3,4] yet this transformation has only found minimal use in target-oriented organic synthesis. [5,6] Variations in the structure of the amide (R in Scheme 1) affect the ease and effectiveness of the nitrosylation and rearrangement reactions, [7] and herein we show that using dichloroacetamides for this transformation enables a simple, mild, and effective synthetic sequence to transform linear primary amines into alcohols.…”
Section: Introductionmentioning
confidence: 99%