Results 101 to 110 of about 3,505 (190)

Antiulcer activity of dehydroabietic acid derivatives.

Chemical and Pharmaceutical Bulletin, 1985
On prepare une serie de derives de l'acide deshydroabietique avec un groupement hydrophile (amino, carbamoyl, carbamoyloxy, ureido, sulfamoyl, ou sulfo) sur les positions 12 et/ou 18 et on teste leur activite ...
WADA, HIROSHI, KODATO, SHINICHI, KAWAMORI, MASATOSHI, MORIKAWA, TAMIO, NAKAI, HIDEO, TAKEDA, MIKIO, SAITO, SEIICHI, ONODA, YUICHI, TAMAKI, HAJIME   +8 more
openaire   +3 more sources

Use of resinous substances by the Early Neolithic population in the forest-steppe Ishim area

Вестник археологии, антропологии и этнографии, 2019
In this study, the author set out to determine the chemical composition and possible use of a substance, which remnants were found on a tile fragment made of soft brown shist.
Zakh V.A.
doaj   +1 more source

THE SENSITIZED QUANTUM YIELD AT PHOTODEHYDROGENATION REACTION OF ABIETIC ACID [PDF]

, 1995
The re-cycled irradiation of abietic acid above 300 nm with benzophenone and copper(ll) pivalate in toluene solution has resulted in conversion to dehydroabietic acid with a quantum yield ranging from 9.6 to 5.5.
ICLI, S, ICIL, H
core   +1 more source

Antiprotozoal activity of dehydroabietic acid derivatives against Leishmania denovani and Trypanosoma cruzi [PDF]

, 2016
Derivatives of dehydroabietic acid bearing different amino acids scaffolds have potent antiprotozoal activity against Leishmania donovani and Trypanosoma cruzi, with good to high selectivity, and can therefore be regarded as good models for further ...
Vahermo, M., Brun, R., Jaffe, C. L., Jaffe, Charles L., Krogerus, S., Yli-Kauhaluoma, J., Kaiser, M., Nasereddin, Abdelmajeed, Vahermo, Mikko, Kaiser, Marcel, Brun, Reto, Nasereddin, A., Yli-Kauhaluoma, Jari, Moreira, V. M., Moreira, Vânia M., Krogerus, Sara   +15 more
core   +1 more source

Derivatization of Abietane Acids by Peptide-like Substituents Leads to Submicromolar Cytotoxicity at NCI-60 Panel

Molecules
Natural compounds, including diterpenoids, play a critical role in various biological processes and are recognized as valuable components in cancer treatment.
Elena Tretyakova, Anna Smirnova, Denis Babkov, Oxana Kazakova   +3 more
doaj   +1 more source

Combined effects of pulp and paper effluent, dehydroabietic acid, and hypoxia on swimming performance, metabolism, and hematology of rainbow trout [PDF]

, 2006
Experiments were conducted to examine the effects of a thermomechanical (TMP)/bleached kraft pulp and paper mill effluent (BKME), dehydroabietic acid (DHAA), hypoxia, and combinations of hypoxia and effluent on juvenile rainbow trout.

core   +1 more source

Synthetic Studies Utilising Dehydroabietic Acid [PDF]

, 1970
This thesis is concerned with the utilisation of the natural product, abieta-8,11,13-trien-18-oic acid* (dehydroabietic acid) (1) for the synthesis of optically active steroids and diterpenoids.
Franich, Robert Arthur
core  

Composição molecular e origem paleobotânica de âmbares da bacia do Araripe, Formação Santana Molecular composition and paleobotanical origin of ambers from the Araripe basin, Santana Formation

Química Nova, 2009
The terpenoid composition of seven amber samples from Araripe Basin (Santana Formation, Crato Member) has been analyzed by gas chromatography-mass spectrometry to determine their botanical origin.
Ricardo Pereira, Ismar de Souza Carvalho, Antônio Carlos Sequeira Fernandes, Débora de Almeida Azevedo   +3 more
doaj   +1 more source

Conversion of dehydroabietic acid into a steroid skeleton: Formation of the A-ring. III.

Chemical and Pharmaceutical Bulletin, 1974
Abstract Conversion of dehydroabietic acid (1) to a steroid skeleton was attempted, and the synthesis of 3-oxo compound (22) was successfully completed via the intermediates (8 and 9) by two methods.
TAHARA, AKIRA, HARIGAYA, YOSHIHIRO, ONDA, MASAYUKI   +2 more
openaire   +6 more sources

In vitro Bioactivity and Antimicrobial Activity of Picea abies and Larix decidua Wood and Bark Extracts

BioResources, 2016
Picea abies and Larix decidua were subjected to GC/MS analyses, and antimicrobial (fungi and bacteria) assays of their stem wood and bark extracts were investigated. L.
Mohamed Zidan Mohamed Salem, Hosam O. Elansary, Amr A. Elkelish, Aleš Zeidler, Hayssam M. Ali, Mervat EL-Hefny, Kowiyou Yessoufou   +6 more
doaj   +1 more source