1961
DOI: 10.1002/cber.19610940915
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N‐Benzyl‐Verbindungen durch Hydrierung von N.N‐Dibenzyl‐Verbindungen

Abstract: Aus N.N-Dibenzyl-Verbindungen kann durch Hydrierung rnit Pd(OH)2/BaS04 in stark saurer Lirsung selektiv eine Benzylgruppe als Toluol abgespalten werden. I h s auf diese Weise erhaltliche N-Benzyl-D-isogalaktosamin lieR sich rnit PdO zu D-lsogalaktosamin weiterhydrieren, dessen saures Oxalat kristallisiert erhalten wurde.Die Spaltung von 0-und N-Benzyl-Verbindungen durch katalytische Hydrierung, wobei Toluol entsteht, ist seit langem bekannt und vielseitig untersucht worden1). Bei N. N-Dibenzyl-Verbindungen ble… Show more

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Cited by 10 publications
(2 citation statements)
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“…This deamination occurred much more easily under gentle conditions, such as under atmospheric pressure at room temperature, compared with other N-benzyl compounds. 12,13,18) The introduction of deuterium into C-terminal chloromethyl or methyl moiety occurred before ring formation reaction in the deutration reaction of 17 and 18 supporting the previous hypothesis on cyclization mechanisms and confirming that the 1,2-dihydropyrazin-2-one ring smoothly formed from a dipeptidyl chloromethyl ketone via an olefin intermediate (Chart 1).…”
Section: Discussionsupporting
confidence: 61%
See 1 more Smart Citation
“…This deamination occurred much more easily under gentle conditions, such as under atmospheric pressure at room temperature, compared with other N-benzyl compounds. 12,13,18) The introduction of deuterium into C-terminal chloromethyl or methyl moiety occurred before ring formation reaction in the deutration reaction of 17 and 18 supporting the previous hypothesis on cyclization mechanisms and confirming that the 1,2-dihydropyrazin-2-one ring smoothly formed from a dipeptidyl chloromethyl ketone via an olefin intermediate (Chart 1).…”
Section: Discussionsupporting
confidence: 61%
“…It can be deduced that the property of C-N bond of aminomethyl moiety at position 6 of the ring is similar to that of benzylic or allylic C-N bond, while the property of C-N bond of aminomethyl moiety at the positon 3 of the ring is quite different from that of benzylic C-N bond. [12][13][14][15][16][17][18] Furthermore, this deamination could occur much more easily than in the case of benzylamine under atmospheric pressure at room temperature.…”
Section: Resultsmentioning
confidence: 99%