Výsledky vyhledávání - "Jan M. Luteijn"

Stereospecific synthesis of 9.alpha.-(acetoxymethyl)-8.alpha.,8'-epoxy-3.alpha.,4,4-trimethyl-trans-decalin-1.alpha.-ol acetate, a model for the investigation of structure-activity relationships of the insect antifeedant neoclerodanes

Autor: Jan M. Luteijn, Aede de Groot

Publikováno v: The Journal of Organic Chemistry. 46:3448-3452

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2aad6ded6db93a0c5f25b52137aa5cb
https://doi.org/10.1021/jo00330a013

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A note on the effects of fluorine substituents on the biological activity and environmental chemistry of benzoylphenylureas

Autor: Jacobus Tipker, Jan M. Luteijn

Publikováno v: Pesticide Science. 17:456-458

Halogen-substituted benzoyl ureas have been shown to possess interesting activity against insect larvae, preventing their development by interfering with the formation of cuticular tissue. Certain fluorinated compounds are particularly active. Activi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f2bb325f0480149f49a484de8285a89
https://doi.org/10.1002/ps.2780170417

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Condensation reactions of olivetol bis(tetrahydropyranyl ether) homocuprate with propargylic substrates. A convenient synthesis of (±)3,4-cis-Δ1,2-tetrahydrocannabinol and (±)-3,4-trans-Δ1,2-cannabidiol

Autor: Hubertus J. W. Spronck, Jan M. Luteijn

Publikováno v: J. Chem. Soc., Perkin Trans. 1. :201-203

A versatile synthesis of (±)-3,4-cis-Δ1,2-tetrahydrocannabinol (12) and two pyrolytic cracking products of 3,4-trans-Δ1,2-cannabidiol is described. A modification of a previously described synthesis of (12), by condensation of olivetol with citral

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d05e854321631ff605cc6e6b5c35fbf4
https://doi.org/10.1039/p19790000201

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Alkaloids of Papaver bracteatum: 14-β-hydroxycodeinone, 14-β-hydroxycodeine and N-methylcorydaldine

Autor: Cornelis A. Salemink, Jan M. Luteijn, Hubert G. Theuns, Jan E.G. van Dam

Publikováno v: Phytochemistry. 16:753-755

Three new alkaloids have been identified from Papaver bracteatum , 14-β-hydroxycodeinone, 14-β-hydroxycodeine and N -methylcorydaldine. The presence of alpinigenine was also confirmed.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6488e99bc38bb4c5ed6ab3d6257d94df
https://doi.org/10.1016/s0031-9422(00)89247-x

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