Liverpool are right in the fight for a place in Europe as they overhauled Spurs, but this was a performance that demonstrated once again the two sides to their game they have shown throughout this season. The reaction mixture was extracted three times with chloroform, the organic layer was combined, dried, and concentrated under reduced pressure to give a crude product of 4-bromo-3,5-dimethylbenzenesulfonyl chloride (375 mg). To a solution of 4-bromo-3,5-dimethyl-phenylamine (130 mg) in CH2Cl2 (4 mL) was added acetic anhydride (0. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. strong>[59557-90-3]4-bromo-3,5-dimethylaniline (1g, 10mmol), (3-(methoxycarbonyl)phenyl)boronic acid (2.

(1) - MME Revise

Our catalogue includes 100,000 parts and accessories, and we have a wide network of partners from which to source. The residue was purified by column chromatography eluting with 1:100 EtOAc/petroleum ether to afford the title compound (1. Solvent was removed and the crude was diluted with dichloromethane, washed with water, brine, and dried over sodium sulfate.Analysis by TLC and HPLC indicated that in addition to the desired product several side products had been formed (regio-isomers and di-brominated side products). For this reason, double actuated modules only have about half the rated torque available in this area. The resulting hydrochloride is taken up in 1 N NaOH, briefly stirred and extracted 5 times with ethyl acetate. After completion of the addition, Pd-catalyst ([1,1'-Bis(diphenylphosphino)ferrocene]-dichloropalladium(II), 0.

What is 3/4 of 90? (Calculate 3/4 of 90) - Visual Fractions

The reaction was cooled to room temperature and added water (30 mL) was diluted with ethyl acetate (200mL X 2), the combined organic phase was washed with saturated sodium chloride solution (50 mL), dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure. The reaction temperature was graduallyelevated and the reaction mixture was stirred at room temtreatedperature overnight. The reaction mixture was extracted threetimes with chloroform, the organic layer was combined,dried, and concentrated under reduced pressure to give acrude product of 4-bromo-3,5-dimethylbenzenesulfonylchloride (375 mg).

The combined organic layers were dried over Na2SO4 and concentrated in vacuo to afford the title compound (2. The organic layer was washed with water and brine, dried over anhydrous sodium sulfate, and then concentrated under reduced pressure to afford 1-((4-bromo-3,5-dimethylphenyl)amino)cyclopentanecarbonitrile as a crude product (152 mg). By the end of this article you'll be able to divide 90 by 3 using long division and be able to apply the same technique to any other long division problem you have! If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.