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Dive into the research topics where C. van der Stelt is active.

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Featured researches published by C. van der Stelt.


Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology | 1954

Investigation into the tuberculostatic activity of some derivatives of p. aminobenzoic acid

C. van der Stelt; A. J. Zwart Voorspuij; W. Th. Nauta

SummarySeventy-five compounds, derivatives of 4-nitro-benzoic acid and of 4-amino-benzoic acid, were investigated for their tuberculostatic activity. The majority showed practically no activity in the concentrations studied. A number of 4-nitro-benzoic acid esters of branched alcohols, which proved to be active on the synthetic medium, showed a considerably lower activity on the protein-containing Beeuwkes medium.The synthesis of the esters mentioned, and that of n-hexylamino-benzoic acid, 4-acetylamino-3-amino-benzoic acid, and 5,5′-dinitro-2,2′-dicarboxy-diphenyl is described. The melting point of 4-thio-ureido-benzoic acid was higher than 330°C. in our investigation, and was not at 255°C. as mentioned in the literature.


Recueil des Travaux Chimiques des Pays-Bas | 2010

The synthesis of 1-arylisochromans and their use in the preparation of ortho-substituted diphenylmethane derivatives

C. van der Stelt; P. S. Hofman; W. Th. Nauta


Recueil des Travaux Chimiques des Pays-Bas | 2010

Experiments in the 5H-dibenzo[a,d]cycloheptene series II. Synthesis of some esters and piperazine derivatives of 5H-dibenzo[a,d]cycloheptene†

C. van der Stelt; A. Haasjes; H. M. Tersteege; W. Th. Nauta


Recueil des Travaux Chimiques des Pays-Bas | 2010

The synthesis of 2‐mercapto‐4‐aminobenzoic acid

C. van der Stelt; W. van Der Lugt; W. Th. Nauta


Recueil des Travaux Chimiques des Pays-Bas | 2010

The wittig rearrangement of (diarylmethoxy)acetamides

C. van der Stelt; W.J. Heus; A. Haasjes


Recueil des Travaux Chimiques des Pays-Bas | 2010

Synthesis of a series of alkyl-substituted benzophenones, benzhydrols and benzhydryl chlorides

K. H. Fleurke; C. van der Stelt; W. Th. Nauta


Recueil des Travaux Chimiques des Pays-Bas | 2010

The Hofmann degradation of 4‐hydroxy‐phthalimide

C. van der Stelt; B. G. Suurmond; W. Th. Nauta


Recueil des Travaux Chimiques des Pays-Bas | 2010

The chlorination of 4‐aminobenzoic acid and its methyl ester

C. van der Stelt; W. Th. Nauta


Recueil des Travaux Chimiques des Pays-Bas | 2010

Synthesis of isocoumarin-3-carboxylic acids

C. Ribbens; C. van der Stelt; W. Th. Nauta


Recueil des Travaux Chimiques des Pays-Bas | 2010

Synthesis and properties of the chlorination products of methyl 4‐amino‐2‐hydroxy‐benzoate. I

C. van der Stelt; W. Th. Nauta

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W. Th. Nauta

VU University Amsterdam

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C. Ribbens

VU University Amsterdam

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