In the present work, five novel 3-substituted benzyl-2-oxiranes were synthesized from 2chloroacethophenone and aldehydes in the presence of Amberlite IRA 67 catalyst by Darzens reaction method. The structures of the ...

This study was undertaken to determine the chemical composition, antimicrobial and antioxidant activities of the seed oil extracted from Caesalpinia decapetala collected from Haramaya University, Eastern Ethiopia. The ...

A simple and efficient one-pot synthesis of fused 4-substituted 2-amino-9-chloro-3,4dihydro-4H-pyrano[3,2-c]quinoline-3-carbonitriles (Z-1-1 to Z-1-7) has been developed via initial Knoevenagel, subsequent Michael and final ...

Acid-base chemistry is the dominant chemical reactions in the chemical industry. However, most of the high school students are considered it as difficult topic and usually they had misconception about the reaction ...

An approach for teaching the concept of acids bases indicators in the college students’ achievement and attitude toword fundamentals of chemistry topic. The active teaching constructive methods within the intraction of ...

All parts of Foeniculum vulgare were traditionally used as antispasmodic, aromatic, carminative, digestive, galactagogues, stomach and kidney ailment. Foeniculum vulgare (Apiaceae) leaves extract was investigated for its ...

Polycyclic aromatic hydrocarbons (PAHs) are toxic organic compounds causing health related risks. They can be present in, air, surface dust and soil having natural and anthropogenic sources like incomplete combustion ...

enna didymobotrya plant is known for its value in traditional medicine, It is locally known as “muka ajoftu” which is traditionally used for the treatment of various human ailments in our country. The present study was ...

Natural products are sources of various biologically active chemicals. Momordica foetida is locally known as ‘Qori sinbira’ and is traditionally used for the treatment of various ailments including skin caused by smallpox, ...

Bersama abyssinica is locally known as “Lolchisa” in Afan Oromo and its leaf part is traditionally used for the treatment of various human ailments including, cholera, diarrhea, dysentery, mycoses, skin infection, syphilis ...