They are agonists of a dependent protein kinase cAMP and are useful as drugs.MURRAY Kenneth JohnPORTER Roderick AlanPRAIN Hunter DouglasWARRINGTON Brian Herbert
查看详情 硼酸盐缓冲液 0.1mol/L,pH9.0 源叶 R27210 ¥95.00 查看详情 醋酸-醋酸钠缓冲液 0.1mol/L pH4.5 源叶 R27202 ¥130.00 查看详情 PBS磷酸盐缓冲液 0.01mol/L, pH10.5 源叶 R27204 ¥150.00 查看详情 人工唾液(CMC,酸性) 源叶 R27200 ¥240.00 查看详情 盐酸溶液 0.01mol/L 源叶 R27199 ¥...
The TCP degradation rate and quantum yield increased with solution pH up to a constant maximum value of (6.40 ± 0.046) × 10 3 cm 2 mJ 1 and 0.178 ± 0.002 mol E 1 respectively, at pH 5 and above. Addition of 5 mg L 1 H 2 O 2 to generate OH radicals led to an increase in...
Chlorpyrifos was synthesized by reacting of 3,5,6-trichloro-2-pyridinol sodium(1 mol) with O,O-diethyl phosphorochloridothioate(1 mol) via aqueous phase(pH=11-13) reaction and benzyltrimethyl ammonium chloride as catalyst at 60 °C for 3 hrs,and the yield and purity of chlorpyrifos were ...
After considering all the different parameters a simple, rapid, sensitive and selective method for spectrophotometric determination of trace levels of iron(III) was proposed based on the formation of (Fe -MHP) complex at pH 2.5 (λmax = 640 nm, ɛ = l×104 L mol−1 cm−). The ...
ChemInform Abstract: Studies on Pyridinol Derivatives. Part 6. Synthesis and Pharmacological Activity of 4-(2-Dialkylamino-1-phenylethyl)-2H-pyrido[ 3,2-b]-1,4-oxazin-3-one Derivatives. Part 7. Synthesis and Pharmacological Activity of 4-(2-Dialkylamino-1-phenylethyl)-3,4-dihydro-2H-pyrido...
In this process, the pH at the end point of the acidification is adjusted to lower than the equivalent point of the alkaline salt of the subject substance, preferably adjusted to 4.5-6pH. Since the alkali metal salt of the product remains in the filtrate, it is preferred that the filtrate...
Then the hydrolyzed solution is adjusted to pH <7 with an acid. Then the solution is treated with active carbon (the amount of the active carbon added is preferably at least 0.05wt.% based on the amount of the reaction solution), successively readjusted to pH >=7, preferably pH >=8 ...
5 - Methylsulphinyl and 5 - methylsulphonyl - 4 - ethyl - 3 - nitro - 2[1H] - pyridone is prepared by oxidation of the 5-methylthio compound. 3 - Amino - 6 - ethyl - 5 - nitro - 2[1H]-pyridone is prepared by nitration of the corresponding non-nitrated compound. 5- ...
of the compound with heat and the pH of the reaction mixture is adjusted to 2-6 by adding an acid such as sulfuric acid or hydrochloric acid to give the title substance such as 3,5,6-trichloro-2-pyridinol. During the hydrolysis, the reaction mixture is taken out of the reaction tank ...