Topic: Few conversions (Read 2635 times)

vivekrai · « **on:** March 25, 2012, 04:06:52 AM »

We have to Convert these with any suitable reagents :

a) Ethyne to thiophene

b)

c)

For clarity it is :

Attempt: I got all except B,C . Any help would be appreciated.

AWK · « **Reply #1 on:** March 25, 2012, 05:17:26 AM »

discodermolide · « **Reply #2 on:** March 25, 2012, 07:57:16 AM »

a) http://derpharmachemica.com/vol3-iss4/DPC-2011-3-4-38-54.pdf
b) http://www.organic-chemistry.org/protectivegroups/hydroxyl/benzyl-ethers.htm

For reaction b why not use direct oxidation with a modified Dess-Martin reagent.
See:
http://www.jshs.org/forms/Sample%20paper2.pdf

vivekrai · « **Reply #3 on:** March 25, 2012, 11:22:19 AM »

Thanks for a,b. Kindly help with the last one ie., c.

vivekrai · « **Reply #4 on:** March 28, 2012, 11:13:49 AM »

Someone ?