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Bad days in the lab or with glassware?
[rquote=279436&tid=13214&author=elementcollector1]
Unsurprising, really, but what was surpr ... |
30-3-2013 at 03:49
by: kavu |
Ethynyl cyclohexanol??
Nope, you would have tondeprotonate the alkyne first. Refer to basic textbooks on organic chemistry. |
12-3-2013 at 13:21
by: kavu |
what is this thing called
The sciency name for this is Hofmann voltameter or Hoffmann apparatus named after the inventor Augus ... |
11-3-2013 at 12:33
by: kavu |
Pretty Pictures (1)
[rquote=276217&tid=14644&author=Organikum]
And its a riddle: What is it?
[/rquote]
That ... |
3-3-2013 at 09:11
by: kavu |
Hypothetical Chemist
Of course you could use your clothing as well. Belt buckles might dissolve in HCl over time...
To ... |
2-3-2013 at 13:47
by: kavu |
Hypothetical Chemist
Well this is a bit far fetched but you could knock out two teeth and place those into the solutions ... |
2-3-2013 at 13:37
by: kavu |
Hypothetical Chemist
I thought that saliva behaves differently in the two solutions but I had to cheat and do the experim ... |
2-3-2013 at 12:31
by: kavu |
Aldehyde and Amide condensation?
This condensation can be done and there are a fair bit of examples in literature. In general
R-CH ... |
1-3-2013 at 00:01
by: kavu |
Synthesis of Vanillyl Acetamide, a capsaicin derivative
Thanks Nicodem and DJF90. I was aware of the product characterization problem and just started measu ... |
24-2-2013 at 06:33
by: kavu |
Coumarin synthesis
The yield is really low, there were visible amounts of product but not enough for any proper use. |
22-2-2013 at 00:15
by: kavu |
Coumarin synthesis
Either one works, for simplicity I just added hot water to the boiling mixture. |
21-2-2013 at 07:20
by: kavu |
Coumarin synthesis
[rquote=275585&tid=23449&author=Mailinmypocket]
This page has a write up done by somebody w ... |
21-2-2013 at 07:12
by: kavu |
Synthesis of Vanillyl Acetamide, a capsaicin derivative
Activity is greatly dependent on the side chain length. Longer the side chain the more lipophilic th ... |
20-2-2013 at 00:32
by: kavu |
Synthesis of Vanillyl Acetamide, a capsaicin derivative
[align=center][b][size=4]Synthesis of Vanillyl acetamide[/size][/b][/align]
[b][u]1 Introduction ... |
19-2-2013 at 14:12
by: kavu |
Nitriles - nucleophilic or electrophilic
This page should settle your argument:
[url=http://www.mhhe.com/physsci/chemistry/carey/student/o ... |
15-2-2013 at 16:05
by: kavu |
Bio catalyst for handed isomers found
It's a neat workaround, but it's not anything substantially novel. Organocatalysis is nowadays a vib ... |
13-2-2013 at 15:31
by: kavu |
Tin transformation from lumps to crystals
It might be that by slow redox reaction and metal growth the original lump ha slowly dissolved and d ... |
13-2-2013 at 01:48
by: kavu |
Balanced equation for ASA --> SA
It dependes on how much aspirin you wish to hydrolyze. For each 1 gram of ASA (5.55 mmol) you need 0 ... |
11-2-2013 at 07:49
by: kavu |
Balanced equation for ASA --> SA
[rquote=274349&tid=23335&author=Prometheus23]When acetylsalicylic acid is treated with hydro ... |
11-2-2013 at 03:01
by: kavu |
Improving process of someone
[rquote=273439&tid=23250&author=plante1999]I got 100% yield based on KCl[/rquote]
There i ... |
2-2-2013 at 12:38
by: kavu |
Quick homework question
The question can be formulated in another way: "Give four elements that react to give non-ionic comp ... |
2-2-2013 at 12:36
by: kavu |
Ether drying, amount of Na needed?
Well 8 grams of water will produce in STP some 5 litres of hydrogen. I suggest using a CaCl2 drying ... |
2-2-2013 at 05:07
by: kavu |
Simple question on stability of ions
That is the right reasoning. The ion which can accommodate the negative charge better is the more st ... |
2-2-2013 at 00:12
by: kavu |
Baking Powder Versus Baking Soda
The main difference between baking soda and baking powder is the added sodium dihydrogenphosphate in ... |
31-1-2013 at 07:02
by: kavu |
Predicting Reactions?
As for organic compounds one can say much just by looking at the functional groups in the reacting m ... |
30-1-2013 at 23:15
by: kavu |
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