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Removal of tetrabutylammonium impurities

Started by reflux | Last post by reflux June 13, 2012, 11:31:39 AM

5 Replies
17626 Views
Last post June 13, 2012, 11:31:39 AM
by reflux
Sonogashira coupling reaction - Problem with replication

Started by asa029 | Last post by opsomath July 19, 2011, 02:54:46 PM

11 Replies
17781 Views
Last post July 19, 2011, 02:54:46 PM
by opsomath
using DDQ

Started by wisconsinium | Last post by discodermolide June 03, 2012, 01:05:00 AM

8 Replies
17803 Views
Last post June 03, 2012, 01:05:00 AM
by discodermolide
Tricky oxidation (Dess-Martin buffering)

Started by Dan | Last post by Dan April 28, 2015, 12:57:15 PM

12 Replies
17939 Views
Last post April 28, 2015, 12:57:15 PM
by Dan
TBS Protection

Started by Swerning | Last post by wintermute March 20, 2007, 06:28:11 AM

3 Replies
18037 Views
Last post March 20, 2007, 06:28:11 AM
by wintermute
What imines are stable?

Started by Enthalpy | Last post by Enthalpy April 23, 2015, 03:03:47 AM

8 Replies
18242 Views
Last post April 23, 2015, 03:03:47 AM
by Enthalpy
Extra mass and extra H-1 peak in a synthetic intermediate

Started by Babcock_Hall « 1 2 » | Last post by rolnor December 02, 2024, 04:32:00 PM

16 Replies
18465 Views
Last post December 02, 2024, 04:32:00 PM
by rolnor
Dry-packing vs slurry-packing: collumn chromotography

Started by asa029 | Last post by karbon January 03, 2012, 12:53:02 PM

13 Replies
18766 Views
Last post January 03, 2012, 12:53:02 PM
by karbon
mCPBA workup

Started by Dan | Last post by Dan February 12, 2015, 12:30:37 PM

9 Replies
18913 Views
Last post February 12, 2015, 12:30:37 PM
by Dan
Selective hydrolysis of methyl ester in presence of t- butyl ester

Started by Lynda92 | Last post by BobfromNC January 02, 2014, 04:56:11 PM

10 Replies
18982 Views
Last post January 02, 2014, 04:56:11 PM
by BobfromNC
S- vs. O-alkylation using sodium sulfinates

Started by Babcock_Hall « 1 2 3 4 » | Last post by Babcock_Hall April 03, 2023, 08:24:51 AM

46 Replies
19034 Views
Last post April 03, 2023, 08:24:51 AM
by Babcock_Hall
Converting alcohol to thiol

Started by ecnerwalc3321 | Last post by Babcock_Hall April 03, 2013, 09:38:52 AM

7 Replies
19177 Views
Last post April 03, 2013, 09:38:52 AM
by Babcock_Hall
DCC/DMAP not forming ester between alcohol and carboxylic acid

Started by daveman | Last post by TheUnassuming December 17, 2014, 09:46:49 AM

8 Replies
19388 Views
Last post December 17, 2014, 09:46:49 AM
by TheUnassuming
Problem of the Week - 08/31/09

Started by azmanam « 1 2 » | Last post by azmanam September 07, 2009, 10:13:12 AM

24 Replies
19675 Views
Last post September 07, 2009, 10:13:12 AM
by azmanam
Column co-elution

Started by nox « 1 2 » | Last post by w4rlock July 06, 2012, 03:26:41 AM

15 Replies
19790 Views
Last post July 06, 2012, 03:26:41 AM
by w4rlock
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