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Reduced pressure distillation question and smoke? What was the oil bath temperature? Plate surface temp means very little - it might be set to 550*C b ...	30-10-2017 at 14:45 by: DJF90
Synthesis of dopamine from catechol [rquote=495941&tid=77708&author=JJay]@DJF90: The mechanism and selectivity of the Duff react ...	29-10-2017 at 13:14 by: DJF90
Synthesis of dopamine from catechol [rquote=495923&tid=77708&author=JJay]I'm certainly no expert on the Duff reaction, but I've ...	29-10-2017 at 12:01 by: DJF90
Good solvent system for separating aromatic amines and/or oximes on alumina TLC plates? Just to clarify, are you taking about aromatic amines (i.e. aniline "derivatives") or aliphatic amin ...	8-10-2017 at 03:17 by: DJF90
Protecting Ethanolamine You're not going to get diphenylmethanol from benzaldehyde and benzylmagnesium chloride...	21-9-2017 at 08:58 by: DJF90
Which pump when working with flammable gas? Dr Bob's experience mirrors my own. Just a quick note to say that if you're doing this in academia o ...	1-9-2017 at 15:37 by: DJF90
Which pump when working with flammable gas? Don't use a diaphragm/membrane pump as part of the pumping cycle involves compression, which is best ...	1-9-2017 at 04:45 by: DJF90
Which pump when working with flammable gas? Water aspirator	1-9-2017 at 03:48 by: DJF90
Use of ammonium hydroxide in ammonolysis. Methanolic ammonia does indeed exist and is commercially available as an approx 9M solution (saturat ...	18-8-2017 at 03:28 by: DJF90
Methylenation of catechol with dichloromethane [rquote=490176&tid=76069&author=cubalibre] I've the feeling that most publications just use ...	14-8-2017 at 10:39 by: DJF90
Methylenation of catechol with dichloromethane [rquote=490060&tid=76069&author=theAngryLittleBunny] But I adopted the methode in a very slo ...	10-8-2017 at 04:53 by: DJF90
Leaking stopcocks [rquote=490134&tid=75712&author=JJay]Oh, that reminds me... I cleaned the grease off of my a ...	10-8-2017 at 04:39 by: DJF90
Leaking stopcocks The "bedding in" process essentially makes the teflon tap fit perfectly in the barrel by plastic def ...	26-7-2017 at 01:57 by: DJF90
Leaking stopcocks Check that you have the right tap in the stopcock for starters... If its a polished barrel it should ...	26-7-2017 at 00:39 by: DJF90
Missing persons He was doing good and busy with life when I last talked with him, a year or two ago.	28-6-2017 at 14:38 by: DJF90
Chemrox You could try him on his personal email. I'll u2u it to you.	25-6-2017 at 01:44 by: DJF90
Capsazepine Synthesis Actually most "MAPP" gas these days (at least here in the UK) is a propane/propylene/dimethyl ether ...	1-6-2017 at 01:46 by: DJF90
RBF Male joint This is a fairly standard arrangement for Schlenk tubes and flasks. Don't think I've ever seen one w ...	1-6-2017 at 00:04 by: DJF90
Capsazepine Synthesis I think you're making it much more complicated than it needs to be, and as Alice mentions you wouldn ...	6-5-2017 at 07:53 by: DJF90
Why is glacial acetic acid needed in HOCl-oxidation of sec.OH? I think I see your difficulty. This reaction does not require anhydrous conditions - "glacial acetic ...	5-5-2017 at 07:48 by: DJF90
Why is glacial acetic acid needed in HOCl-oxidation of sec.OH? I think you're getting confused here. Stevens oxidation is the use of NaOCl and AcOH to selectively ...	5-5-2017 at 05:29 by: DJF90
Opinions on this HBr synth Thats what I was wondering too...	19-4-2017 at 04:36 by: DJF90
methyl 4-aminobenzoate synthesis report [rquote=479941&tid=73288&author=zts16]One thing I was wondering, regarding esterifications o ...	5-4-2017 at 10:34 by: DJF90
Things I Will Never Make Deleted my last post as I missed the last line of the OP. Sorry.	9-3-2017 at 12:54 by: DJF90
Things I Will Never Make It seems to be a list of things that JJay feels the need to claim he'll never make. What thats got t ...	9-3-2017 at 12:26 by: DJF90
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