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Beilstein troubles
Gmellin is the same sort of thing as Beilstein, except it generally deals with metals and metal comp ... |
27-11-2004 at 21:55
by: svm |
Beilstein troubles
check to make sure you have the Beilstein database selected and not Gmellin. at the top of the wind ... |
26-11-2004 at 12:19
by: svm |
bis(salicylaldehyde)ethylenediamine copper(II) and styrene
I believe that the common agent that JohnWW referred to is m-chloroperbenzoic acid.
the hydrogen ... |
16-11-2004 at 19:11
by: svm |
Mn(Cl)2 vs Mn(Acetate)2 with a salen ligand(ethylenediamine+salicylaldehyde)
I guess it's not too pertinent at the moment, but a very simple way to convert MnCl2 to Mn(acet ... |
14-11-2004 at 10:05
by: svm |
Methods of Chlorination of Primary non Benzylic Alcohols
sorry, I thought you were looking to chlorinate the aromatic ring. my bad. |
31-10-2004 at 11:41
by: svm |
Point Groups
there is some good stuff on this site, you need the chime plug-in though:
http://www.ch.ic.ac.uk/ ... |
28-10-2004 at 15:23
by: svm |
Acetone + NaOH --> ?
acetone can polymerize under basic conditions.
the danger with chloroform is that you can form a ... |
28-10-2004 at 15:19
by: svm |
Methods of Chlorination of Primary non Benzylic Alcohols
acetic acid + Cl2 might work.
could displace the alcohol and/or the amine though. |
25-10-2004 at 17:24
by: svm |
My teacher didnt know
right. the oxygen of DMSO is very good at solvating cations, but the positively charged sulfur is s ... |
25-10-2004 at 12:14
by: svm |
How can someone be successful in Organic Chemistry?
true, we can't explain a lot of specific reactivities, so there is still a lot we don't kn ... |
22-10-2004 at 13:48
by: svm |
SUPERBASE! (Well, what is it?)
I've seen the pKa of H2 listed around 28. I think hydride bases are generally thought to opera ... |
21-10-2004 at 08:28
by: svm |
How can someone be successful in Organic Chemistry?
yeah, sorry, no scanner here.
I think the math/organic chem divide might be because organic chem ... |
21-10-2004 at 08:08
by: svm |
How can someone be successful in Organic Chemistry?
this is my favorite textbook for organic chem:
http://www.oup.co.uk/best.textbooks/chemistry/clay ... |
19-10-2004 at 12:42
by: svm |
My teacher didnt know
"DMS" usually refers to dimethylsulfide (where the sulfur doesn't have any oygens on ... |
12-10-2004 at 11:38
by: svm |
Organic Bases vs Organic Acids
I think the molecule you are thinking of is pentacyanocyclopentadiene. It has a pKa of about -11. ... |
30-9-2004 at 20:19
by: svm |
cleavage or hydrolosis of methoxy groups
I've got five journal references for the use of TMS iodide dating from 1977 to 1981. six BBr3 ... |
14-9-2004 at 22:09
by: svm |
cleavage or hydrolosis of methoxy groups
the most common ways to cleave a methyl ether are TMS iodide or BBr3. both are pretty nasty to deal ... |
14-9-2004 at 16:04
by: svm |
glassware fused
sometimes rocking the joint back and forth is more effective than trying to twist the joint loose. ... |
14-9-2004 at 10:07
by: svm |
Sealing ampoules
someone mentioned using flourescent lights...this is dangerous. the lights contain mercury vapor wh ... |
13-9-2004 at 20:32
by: svm |
Deuterated acetone.
mick, you're probably right. i hadn't figured on that. i know acetone can polymerize und ... |
7-9-2004 at 11:34
by: svm |
Deuterated acetone.
if you could get ahold of D2SO4, then I think that treating acetone with that would probably do the ... |
7-9-2004 at 08:47
by: svm |
Using molecular sieves
david marx's method is good. you might want to repeat the vacuum-heat-backfill with dry gas c ... |
19-8-2004 at 19:46
by: svm |
Warning about OTC solvants
I think the metal does catalyze the decomposition of the peroxides (probably to water). I think it& ... |
13-8-2004 at 11:22
by: svm |
Most corrosive agent?
here's a tip: don't use HF. it's terribly, terribly toxic.
it is very, very corro ... |
9-8-2004 at 08:40
by: svm |
SUPERBASE! (Well, what is it?)
the pKa of an alcohol is between 16 and 19 depending on the substitution (more substitution, higher ... |
5-8-2004 at 08:03
by: svm |
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