All entries for Wednesday 13 October 2004

October 13, 2004


Follow-up to DHP from Wilby's blog

The french journal was lying. Just lying.

I've spent ages on the damn thing. First of all, the reaction didn't only take '30 minutes', it was definitly an over-nighter. Then there was no mention of any work-up necessary, however an excess of one reagent didn't totally consume the other, and I was left with a mess at the end of the reaction.
I fiddled and farted around with the damn thing for ages trying to get it clean. You do fractional distillations in the teaching labs and come to think of them as a magic procedure that renders all liquid products totally pure. No. Not this time. Even despite the beautifully narrow boiling point range of the relevant fraction.
Anyway, I've decided (on the advice of our post-doc) to abandon the damn thing. Going to try a different tactic and a different molecule to achive the same result. This one's really easy to synthesise. Step 1: Order final product direct from Sigma-Aldrich…......

October 2004

Mo Tu We Th Fr Sa Su
Sep |  Today  | Nov
            1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31

Search this blog



Most recent comments

  • Excellent! Brings back childhood memories by Christian on this entry
  • Marvellous! Thank you for this. Am about to make it a 2nd time for supper for family and friends ton… by Fiona Belson on this entry
  • Brilliant – would well recommend. My microwave is 900w and it took exactley 5.30 minutes to cook. Th… by Jo on this entry
  • know but well thank for the information [...] by Linda on this entry
  • Just asked my neighbour if she had anything sweet in the house. She said "no" but suggested I make a… by Junior on this entry

Blog archive

Not signed in
Sign in

Powered by BlogBuilder