Zobrazeno 1 - 7
of 7
pro vyhledávání: '"P. W. Wiardi"'
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 52:366-370
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbfcfc4f87cef9c773811611fd8535ad
https://doi.org/10.1002/recl.19330520502
https://doi.org/10.1002/recl.19330520502
Autor:
H. Veldstra, P. W. Wiardi
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 62:75-84
The synthesis is described of 2-methyl-4-aminonaphthol-1 hydrochloride and of 2-methyl-1,4-diaminonaphthalene dihydrochloride, both water soluble compounds possessing a high vitamin K activity. For the first mentioned substance this has already been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a806d20b6d0e3674a23cb2077bfa3fb
https://doi.org/10.1002/recl.19430620203
https://doi.org/10.1002/recl.19430620203
Autor:
P. W. Wiardi, B. C. P. Jansen
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 53:205-208
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fec66e98906b522d926a0da5651ee7bc
https://doi.org/10.1002/recl.19340530303
https://doi.org/10.1002/recl.19340530303
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 72:358-364
New synthetic anticoagulants were obtained in the series of 1-alkoxy-2,2-bis-(4-hydroxy-coumarinyl-3)ethanes (III). In the rabbit the most active members of this group are as active as dicoumarol (I), while they equal ethyl biscoumacetate (II) with r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2bee4f931ef45ec2ab0352429d89f1e
https://doi.org/10.1002/recl.19530720411
https://doi.org/10.1002/recl.19530720411
Autor:
P. W. Wiardi, H. Veldstra
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 61:627-637
The synthesis of a number of heterocyclic derivatives of sulphanilamide is described and information is given about the activity of these compounds against pneumococci and streptococci (in mice). Sulphanilamide (or derivatives) are substituted in N1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6eb571bd388dd53c9f1ff35af3a20a52
https://doi.org/10.1002/recl.19420610903
https://doi.org/10.1002/recl.19420610903
Autor:
H. Veldstra, P. W. Wiardi
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 62:661-671
The arguments of Jensen and Rosenlund Hansen1 ) in support of their opinion that the tetrazoles described in our first paper2 ) are not 5-acetylsulphanilyl-aminotetrazole (and 5-sulphanilylaminotetrazole), but x-acetylsulphanilyl-5-aminotetrazole (an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8a34d2b45a84e8fc7eccc178da193e4
https://doi.org/10.1002/recl.19430621005
https://doi.org/10.1002/recl.19430621005
Autor:
P. W. Wiardi
Publikováno v:
Nature. 142:1158-1158
ANALYSES of vitamin B6 (adermin), isolated in a crystalline state from yeast by Kuhn and Wendt1, from rice polishings by Keresztesy and Stevens2 and by Ichiba and Michi3, established its empirical formula as C8H12O3NCl. It seems, however, that vitami
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77c757182ca3441a3c466c924dfde99c
https://doi.org/10.1038/1421158b0
https://doi.org/10.1038/1421158b0