WebA single oral application of 300 mg/kg THF as a 10% aqueous solution was given to rats (strain and sex not given). The animals were killed 10-300 min following application and … Web9 Jun 2010 · Distilled THF-CH 2 Cl 2 (1:1, 8 mL) and TfOH (0.1 M in CH 2 Cl 2, 0.001 mmol) was added. The reaction mixture was stirred at room temperature in absence of light for 2 h. The mixture was then concentrated and the residue was purified with preparative HPLC (20–100% CH 3 CN in H 2 O, 50 min) to give 13 (0.100 g) in 39% yield.
THF with LCMS - Agilent Technologies
Web20 Jan 2024 · Herein, we report on the synthesis and high-performance liquid chromatography (HPLC) resolution of a new atropisomeric C2-symmetry chiral monomer based on the 3,3′-bithiophene core, which was developed to produce novel, inherently oligomeric chiral electroactive materials. The analytical enantioseparation was optimized … WebView 4397-53-9/4-(Benzyloxy)benzaldehydeinformation and document regarding 4-(Benzyloxy)benzaldehyde, including NMR, HPLC, LC-MS, UPLC & more. ... (1 equiv), dissolved in dry THF at -78 o C. The temperature was kept at -78 o C, and the mixture was stirred for 2 h. The reaction was quenched with saturated NH 4 Cl solution and extracted with CH 2 ... excel shortcut maximize window
Baseline Stabilization When Using Refractive Index Detectors
Web24 Jul 2024 · Tetrahydrofuran is used to make PVC adhesives. THF is also used: As a laboratory chemical when its miscibility with water doesn’t affect the experiment, for … Web4 Sep 2012 · We performed a number of tests with the aim to develop an effective extraction method for the analysis of carotenoid content in maize seed. Mixtures of methanol–ethyl acetate (6:4, v/v) and methanol–tetrahydrofuran (1:1, v/v) were the most effective solvent systems for carotenoid extraction from maize endosperm under the conditions assayed. … Web将反应混合物在50℃下搅拌4小时，冷却至室温，浓缩溶剂。 将残余物用水（10mL）稀释，并将混合物用EtOAc（3×20mL）萃取。 将合并的有机层用盐水洗涤，干燥，过滤并蒸发，得到粗产物。 分离产物3和5，并从EtOAc和THF中重结晶。 bsby 1 month rate