[TheUnassuming]

I have a synthesis that I am attempting to clean up.  My compound I want has a boiling point of around 200 degrees, the impurities are all lower boiling point.  The highest boiling impurity is around 160 degrees.  Normally, I can rotovap off the impurities... but unfortunately my strong rotovap is out of commission.  Does it follow that I can just raise the temp while stirring up to 170/180 and just blow inert gas into the flask until I stop getting any condensate on the sides?

[g-bones]

well if your compound is stable to that kind of temperature thats a decent idea.  How about setting up a distillation apparatus so that you can put it under weak vacuum and put the temperature up just a little bit.  That way in case a little of your compound escapes you'll at least have it in the receiving flask.  Do you have a kugelrohr available because those are awesome, especially for smaller amounts of material.  You could also just column out your impurities if your compound is stable to silica.

[orgopete]

Without doing any calculations, this is my opinion. A no-plate vacuum distillation will be ineffective in separating your low boiler from your high boiler. This is the hardest separation by distillation to achieve. It is easier to isolate the low boiler from the high boiler. If only a small amount of the low boiler is present, it will be quite difficult to completely remove it from your higher boiling product unless you use some kind of fractional distillation apparatus. 

Reducing the pressure will decrease the effective boiling point differential and make the separation more difficult though it will decrease the chance of decomposition.

I agree with g-bones to change the purification method to chromatography. Alternately, since the boiling points are increasing, I suspect that melting points are also increasing. Can you crystallize out your product?

[Don Shelly]

Try a K-D apparatus.  Set water bath temperature to the boiling point of your compound.  Sometimes the simplest solution is the best.