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A series of 2amino4Hbenzohchromene and 27diamino4Hbenzohchromene derivatives were prepared as potential cytotoxic agents The structures of the synthesised compounds were established on ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.Get a Quote Leave Message
Feeding Size: Less than 190mm
Discharging Size: 5-10mm
Production Capacity: 12-1000TPH
Processing materials: Granite
Production capacity: More than 200 tons
Feed size: less than 120 mm
Capacity: 0.18-7 (m³/min)
Configuration: Jaw crusher, ball mill, classifier, mixing tank, flotation separator, concentrator and dryer.
Characteristics: High efficient, low energy consumption, strong handling capacity, economical and reasonable.
Processing Ability: 0.2–16 m³/min
Processed Materials: Non-ferrous metal minerals such as copper, lead, zinc, molybdenum, cobalt, tungsten, antimony etc.
Applications: The machine can be used to separate nonferrous metal, ferrous metal, noble metal, nonmetallic mine, chemical material and recycle mine.
Production Capacity: 0.5-50TPH
Processible Materials: slag, limestone, limestone, coal ash, coal dust, clay
Materials: Coal ash, pulverized coal, coke powder, iron power, scrap iron, sinter, carbon dust, powdered carbon, slag, gypsum, tailing, slurry, kaolin, active carbon, coke breeze etc.
Production Capacity: 50-800TPH
Application Field: Hydropower, building material, highway, city construction, metallurgy, coal mining and so on.etc.
Applied Materials: Granite, basalt, bank gravel, bauxite, cement clinker, quartz silicon carbide,limestone, river stone, etc.
Application Range: Coal plant
Production Capacity: 2.5-50TPH
The 250t/h basalt crushing line owner has a large-sized mining field in Zambia.Further Details
Related Equipments: vibrating feeder, jaw crusher, cone crusher, sand maker and vibrating screen.Further Details
Flotation plant is widely used in various fields of ore dressing industry. For example, the separating of gold ore, silver, galena, sphalerite, chalcopyrite, chalcocite, molybdenite, pyrite, nickel sulfide mineral, malachite, cerussite, smithsonite, heFurther Details
The 200t/h granite crushing plant in Russia uses HPT220 hydraulic cone crusher as the core crushing equipmentFurther Details
Main Equipments: PE series jaw crusher, impact crusher, sand maker, raymond grinding mill, vibrating screen and vibrating feeder.Further Details
quartz with the color of black, dark gray and dark brown is a common basic volcanic rock mineral. With advantages of good corrosion resistance, compression resistance and oxidation resistance, quartz is widely used in roads, railways, construction, buildiFurther Details
2013 Convenient and Efficient OnePot Method for the Synthesis of 2Aminotetrahydro4Hchromenes and 2Amino4Hbenzohchromenes Using Catalytic Amount of AminoFunctionalized MCM41 in Aqueous Media Synthetic Communications Vol 43 No 11 pp 14991507Further Details
Table 1 3amino1phenyl1Hbenzofchromene2carbonitrile 4a–g in under grinding using DABCO Yields refer to pure isolated products characterized b y IR 1 H and 13 C N MR spectroscopy and mass spectrometry The structures of compounds 4 were deduced from their 1 H NMR 13 C NMR and IR spectral data and their molecular weight confirmed by mass spectrometryFurther Details
Abstract A green procedure for the onepot threecomponent synthesis of 1amidoalkyl2naphthol and 3amino1phenyl1H benzofchromene2carbonitrile derivatives from the reaction of 2naphtol aldehydes and malononitrileacetamide in the presence of a catalytic amount of Fe 3 O 4 enamineBOSO 3 H 2 as an efficient and novel heterogeneous magnetic nanostructure catalyst is describedFurther Details
Jan 21 2017 · Abstract Several halogenated 2amino4Hbenzohchromene derivatives were synthesized and evaluated their structures of the synthesized compounds were established on the basis of spectral data The in vitro antitumor activity of the synthesized compounds against the cell lines MCF7 HCT116 and HepG2 was investigated in comparison with theFurther Details
A convenient and efficient method using microwave assisted one pot synthesis reactions for synthesis of 4Hbenzofchromenes by the reaction of aromatic aldehydes with a mixture of malononitrileFurther Details
Chromene and its derivatives have also been recognized as one type of ‘privileged medicinal scaffolds’ due to their unique pharmacological and biological activities Among various chromene family members 2amino4Hchromenes are especially important for medicinal applications Keywords2amino4Hchromene annulation MulticomponentFurther Details
Abstract Substituted 2amino4aryl7hydroxy4Hchromene3carbonitriles 6 2amino4aryl4Hbenzohchromene3carbonitriles 7 and 3amino1aryl1Hbenzofchromenes2carbonitriles 8 were prepared in good yields via onepot threecomponent reactions of aromatic aldehydes 1 malononitrile 2 and resorcinol 3 or αnaphthol 4 or βnaphthol 5 in refluxing ethanol orFurther Details
Substituted 2aminochromenes were synthesized by threecomponent condensation of aromatic aldehydes derivatives of cyanoacetic acid and phenols or naphthols The molecular and crystal structure of 2amino3cyano6hydroxy4phenyl4Hbenzofchromene was established byFurther Details
2Aminobenzothiazoles use in azo dye production and in photographic chemicals1 may result in its release to the environment through various waste streamsSRC 2Aminobenzothiazole may be introduced into soils as a result of the breakdown of the herbicide methabenzthiazuron2Further Details