Results 21 to 30 of about 5,363,495 (332)

Aza-compound. XXIX

Journal of Synthetic Organic Chemistry, Japan, 1965
Wyler's wet method for synthesis of copper phthalocyanine was applied for synthesis of copper-Bz-aza (3, 4) phthalocyanine from cinchomeronic acid and phthalic anhydride, The ratios of raw materials were changed and the properties of products were investigated.
Masao YOKOTE, Fukumatsu SHIBAMIYA, Hideo HAYAKAWA   +2 more
openaire   +3 more sources

Aza-Michael Addition of Dinitrogen to ,-Unsaturated Carbonyl Compounds in a Dititanium Framework

, 2023
The direct use of dinitrogen (N2) as a building block for the synthesis of NN-containing organic compounds is of fundamental interest and practical importance but has remained a formidable challenge to date. Here, we report an unprecedented 1,4-conjugate
Yi Luo, Jimin Yang, Takanori Shima, Qingde Zhuo, Qingde Zhuo (1604686), Xiaoxi Zhou (288605), Xiaoxi Zhou, Jimin Yang (2685172), Zhaomin Hou (1463209), Yi Luo (143206), Zhaomin Hou, Takanori Shima (1701505)   +11 more
core   +1 more source

Sesquiterpenes from Cymbopogon proximus

Molecules, 2003
In addition to four previously reported compounds: proximadiol (1), 5α-hydroxy-β-eudesmol (2), 1β-hydroxy-β-eudesmol (4) and 1β-hydroxy-α-eudesmol (5), two new sesquiterpenes, 5α-hydroperoxy-β-eudesmol (3) and 7α,11 ...
Ahmed M. Galal, Meselhy R. Meselhy, Hesham I. El-Askary   +2 more
doaj   +1 more source

Aza-Michael Addition of Dinitrogen to α,β-Unsaturated Carbonyl Compounds in a Dititanium Framework

, 2023
The direct use of dinitrogen (N2) as a building block for the synthesis of NN-containing organic compounds is of fundamental interest and practical importance but has remained a formidable challenge to date. Here, we report an unprecedented 1,4-conjugate
Qingde Zhuo (1604686), Xiaoxi Zhou (288605), Jimin Yang (2685172), Zhaomin Hou (1463209), Yi Luo (143206), Takanori Shima (1701505)   +5 more
core   +1 more source

Docking Studies and Anti-inflammatory Activity of β-Hydroxy-β-arylpropanoic Acids

Molecules, 2008
The article describes a two-step synthesis of diastereomeric 3-hydroxy-2-methyl-3-(4-biphenylyl)butanoic acids. In the first step an intermediate α-bromo propanoicacid 1-ethoxyethyl ester was synthesized.
Ivan O. Juranic, Sote M. Vladimirov, Bojan D. Markovic, Zorica D. Juranic, Silva Lj. Dobric, Sanda P. Dilber   +5 more
doaj   +1 more source

Alkynyl Halo-Aza-Prins Annulative Couplings

, 2023
This article is a comprehensive report describing our studies in the field of aza-alkynyl Prins chemistry, comparing and contrasting the different reaction partners and reactivities observed during method development.
Alexandra P. Lawrie (17403729), Alison J. Frontier (1307097), Jackson J. Hernandez (10150244)   +2 more
core   +1 more source

New Triterpene Glucosides from the Roots of Rosa laevigata Michx

Molecules, 2008
Two new ursane-type triterpene glucosides, 2α,3α,24-trihydroxyurs-12,18-dien-28-oic acid β-D-glucopyranosyl ester (1) and 2α,3α,23-trihydroxyurs-12,19(29)-dien-28-oic acid β-D-glucopyranosyl ester (2), were isolated from the roots of ...
Yang Ye, Xiao-Jun Ma, Ji-Bao Zhang, Chang-Qiang Ke, Chun-Ping Tang, Jian-Hua Miao, Xin-Zhou Yang, Jing-Quan Yuan   +7 more
doaj   +1 more source

Leishmanicidal and Cholinesterase Inhibiting Activities of Phenolic Compounds from Allanblackia monticola and Symphonia globulifera

Molecules, 2007
In a preliminary antiprotozoal screening of several Clusiaceae species, the methanolic extracts of Allanblackia monticola and Symphonia globulifera showed high in vitro leishmanicidal activity.
Norbert Sewald, Etienne Tsamo, Muhammad Iqbal Choudhary, Qamar Naz, Marcel Kaiser, Joseph Ngoupayo, Krishna Prasad Devkota, Bernard Weniger, Catherine Vonthron-Sénécheau, Bruno Ndjakou Lenta   +9 more
doaj   +1 more source

New Benzoyl Glucosides and Cytotoxic Pterosin Sesquiterpenes from Pteris ensiformis Burm.

Molecules, 2008
Three new compounds: 2R,3R-pterosin L 3-O-β-D-glucopyranoside (1), β-Dxylopyranosyl(1→2)-7-O-benzoyl-β-D-glucopyranoside (2) and 4-O-benzoyl-β-D-xylopyranosyl(1→2)-7-O-benzoyl-β-D-glucopyranoside (3), together with nine ...
Yang-Chang Wu, Ying-Chi Du, Ming-Jiuan Wu, Pei-Wen Hsieh, Mei-Chin Lu, Fang-Rong Chang, Yung-Husan Chen   +6 more
doaj   +1 more source

Asymmetric Synthesis and Antimicrobial Activity of Some New Mono and Bicyclic β-Lactams

Molecules, 2004
Reaction of the amino acid D-phenylalanine ethyl ester (4) with cinnamaldehyde gave chiral Schiff base 5, which underwent an asymmetric Staudinger [2+2] cycloaddition reaction with phthalimidoacetyl chloride to give the monocyclic β-lactam 6 as a ...
A. Taslimi, M. Shekarriz, A. A. Jarrahpour   +2 more
doaj   +1 more source