Synthesis of 6-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)chroman-4-one via Kabbe Condensation

Apparently, many students spend a lot of time doing column chromatography, and in many cases they describe the process as "difficult", "time-consuming", or "tedious".Often, they would collect numerous fractions, use large amount of solvents even for scales ~100 mg, and routinely spend more than 1 hr or multiple hours just on one column.