Zobrazeno 1 - 10 of 387 pro vyhledávání: '"C. A. SALEMINK"'
1
Synthesis of 2,1-benzisoxazoles (analogues of psilocine and muscimol)
Autor: C. A. Salemink, R. J. J. Ch. Lousberg, H. du Crocq
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 93:139-142
The synthesis of several 2,1-benzisoxazoles with substituents at different positions of the six-membered ring and with a variable aliphatic side-chain at C-3 is reported. Anomalous reactions and complications, encountered in this synthesis, are dealt
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0eb8f0e8ed529012267374ba2de2c11
https://doi.org/10.1002/recl.19740930507
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2
Deazapurine derivatives. VII: Synthesis of substituted imidazo- and triazolo-pyridines
Autor: C. A. Salemink, K. B. de Roos
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 90:1166-1180
The syntheses of several 7-substituted imidazo[4,5-b]pyridines (6-substituted 1-deazapurines) and of 7-substituted vic-triazolo[4,5-b]pyridines (6-substituted 1-deaza-8-azapurines) are described. A few 6-substituted 3-deazapurines and 3-deaza-8-azapu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf9254405386f495045ce72cac2164f2
https://doi.org/10.1002/recl.19710901102
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3
Deazapurine derivatives. X: Synthesis and reactions of 5,7-disubstituted imidazo[4,5-b]pyridines
Autor: J. E. Schelling, C. A. Salemink
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 91:650-656
A new synthesis for 5,7-dichloroimidazo[4,5-b]pyridine is described. From this compound and 5-amino-7-chloroimidazo[4,5-b]pyridine a number of 5,7-disubstituted imidazo[4,5-b]pyridines are prepared, including 7-aminoimidazo[4,5-b]pyridin-5-one, the 1
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b071ba63bb8e7dd73203f5ddf492c6ea
https://doi.org/10.1002/recl.19720910604
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5
Über 2-Propyl-1- und 2-Propyl-3-desaza-adenin (4. Mitteilung über Desaza-purin-Derivate)
Autor: C. A. Salemink
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 80:545-555
Die vorliegende Arbeit beschreibt die Synthesen von 2-Propyl-1-desaza-adenin und von 2-Propyl-3-desaza-adenin, nach Analogie der Synthesen von in der 1. und 3. Mitteilung dieser Reihe beschriebenen Strukturanalogen von Adenin.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b75fb314524673f9ced7f6f6e9426049
https://doi.org/10.1002/recl.19610800510
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7
Über die basischen Inhaltsstoffe des Fliegenpilzes: XI. Mitteilung über das Muscaridin und Seine Stereoisomeren
Autor: C. A. Salemink, P. L. Schuller
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 82:21-38
This communication contains a description of the isolation of muscaridine from Amanita muscaria L. The constitution of muscaridin is established as erythro-4,5-dihydroxy-n-hexyltrimethylammoniumchloride. The synthesis, starting from 2,3-dihydropyran,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a8c6ff924c0d071074ddbfbe684c276
https://doi.org/10.1002/recl.19630820104
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8
Deazapurine derivatives. IX: Synthesis of (7-substituted)-1-, 2- and 3-β-D-ribofuranosyl-vic-triazolo [4,5-b]pyridines. 1-Deaza-8-aza-adenosine and related compounds
Autor: K. B. de Roos, C. A. Salemink
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 90:1181-1196
The direct condensation of 7-chloro-vic-triazolo[4,5-b]pyridine (I) with 2,3,5-tri-O-benzoylribofuranosyl chloride (III) in nitromethane containing potassium cyanide, afforded two isomeric blocked nucleosides. Debenzoylation of these products gave th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63dd2e60da9cfd7715d9556c91030a7b
https://doi.org/10.1002/recl.19710901103
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9
Deazapurine derivatives XII. Investigations on the synthesis of 3-deazaguanine
Autor: C. A. Salemink, R. de Bode
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 93:3-6
The attempted synthesis of 3-deazaguanine along two pathways has lead to several new imidazo[4,5-c]pyridines. 3-Deazaguanine itself could not be isolated from the preceding 2-(carbamate acetyl-)amino-derivative.
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https://doi.org/10.1002/recl.19740930102
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10
Deazapurine derivatives XIV. The synthesis of 1-deazaguanosine
Autor: C. A. Salemink, J. E. Schelling
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 94:153-156
A fusion reaction of 5,7-dichloroimidazo[4,5-b)]pyridine (2) with 1,2,3,5-tetra-O-acetyl-β-D-ribofuranose (3) gave, after deacetylation, 5,7-dichloro-3-β-D-ribofuranosylimidazo[4,5-b]pyridine (5). The site of attachment of the ribosyl moiety and th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51c3fb8db9debc07d2208b3778c50a40
https://doi.org/10.1002/recl.19750940704
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