Chem 08lc Hydroxy bromination of indene

You will be "rotovapping" a 1:1 mixture of acetonitrile/water. It is unlikely that all of the solvent will evaporate. Which solvent will remain and why?

water will remain because it was a higher boiling point

The solids obtained by vacuum filtration is mostly pure. Which of the following statements is false?

the product is a solid that can be isolated by filtration

most unreacted indene should pass through the filter because it is a liquid

acetonitrile and indene are possible impurities contaminating the product

formation of a diastereomeric product is possible, which can contaminate the major product

vacuum filtration is capable of removing impurities because it is similar column chromatography

Correct Answer:

vacuum filtration is capable of removing impurities because it is similar column chromatography

What are the X+ sources when using halonium intermediates?

Cl₂ Br2 I2

NCS

n-chlorosuccinimide

NBS

n bromosuccinimide

NIS

n iodosuccinimide

mCBPA

epoxidizing agent

nBu4Br

brominating agent

What is hydroxybromination

adding a hydroxy and bromo group across and alkene