Isolation and antibacterial assay of Isotoma longiflora (Wild.) Presl plants have been done. The isolation of secondary metabolites of I. longiflora (Wild.) Presl was carried out by maceration method using n-hexane and ...

The isolation of Nerium oleander was carried out by maceration method using n-hexane and ethyl acetate. The ethyl acetate extract of N. oleander was fractionated by Vacuum Liquid Chromatography (VLC). The fractions with ...

A chalcone (E)-3-(2-Bromo fenil)-1-(Naftalenil)-2- Propenon were synthesized by Claisen–Schmidt condensation of 1-acetilnaphthalene with 2-bromobenzaldehyde using NaOH as catalyst. Its structures of compound were characterized ...

Pyrazoline is a 5-heterocyclic compound with two nitrogen atoms known as an azole group which has various bioactivities, such as antidiabetic, antimicrobial, antioxidant and anticancer. For further development, pyrazoline ...

Hyperpigmentation is a condition when melanin is produced in excess, causing dark patches to appear on the skin. Treatment of hyperpigmentation can be done through tyrosinase inhibition which will inhibit the formation ...

Curcumin is a colouring agent of Curcuma longa L. Beside the use of it as natural colourant, curcumin has biological activities such as antibacterial. In this research, curcumin analog compound of ...

Pyrazole is a important group of five ring heterocyclic alkaloid compounds containing two adjacent nitrogen atoms which have a diverse biological activities such as anti-inflammatory, analgesic, and antioxidant. Chalcone ...

Pyrazole is secondary metabolites of the alkaloid group with five atom in heterocyclic ring, consist of three carbon atoms and two nitrogen atoms. Pyrazole have various biological activities, such as antimicrobial, ...

Curcumin (2E,6E)-2,6-bis(2,3-dimethoxybenzylidene)-cyclohexanone (DK) has been synthesized by Claisen–Schmidt condensation of cyclohexanone and 2,3-dimethoxybenzaldehyde under microwave irradiation using NaOH. The compound ...

Quinazolines are aromatic heterocyclics with a bicyclic structure consisting of two sixmembered aromatic rings fused between a benzene ring and a pyrimidine ring. Quinazoline has various bioactivities such as antimalarial, ...