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One approach to the synthesis of virstatin is shown above. An SN2 reaction of an anionic imide nucleophile (formed by deprotonation of1) with an alkyl halide electrophile 2 affords virstatin ethyl ester 3 Base-inducedhydrolysis followed by acidification yields virstati 4
Q1. What would be an alternative way to make this compound?
Consider 1.5 kg of austenite containing 1.15 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
Calibration standards. Transfer 1.00, 5.00, 10.00, 15.00 and 20.00 mL aliquots of 10ppm F- solution to 100 mL flasks. Add 50 mL of TISAB containing CDTA to each
What volume of carbon dioxide gas will be produced at 25 degrees Celcius and 590 mmHg, when 65.0 mL of 0.200 M HCl is treated with excess sodium bicarbonate?
If an aqueous solution (solvent = water) is 0.5 molal in NaClO, what is the mole fraction of NaClO that is present? Hint: assume you have 1.00 kg of total solvent in your sample.
if a 50.0 liter container holds 45 moles of a gas at a temperature of 200 C what is the pressure inside the container
what are the differences in the type of inhibition caused by heat, acid or base, and heavy metal ions on enzyme activity?
In a laboratory experiment, students synthesized a new compound and found that when 14.10 grams of the compound were dissolved in 208.0 grams of ethanol, the solution began to boil at 78.9510C
What is the pH of a solution which is 0.0400 M in formic acid, HCO2H, and 0.0600 M in sodium formate
How much heat is required to raise the temperature of 5.5 x 10^2 g of aluminum by 10°C?
Write a reaction mechanism for the adol condensation reaction betweeen p-anisaldehyde
If 7.85 x 10 to the 24th power Sc atoms react with excess CaO, how many grams of each product will form? You will need to determine the equation of the reaction.
What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron from the orbital with n =3 to the orbital
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