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Protecting groups for tertiary amines
As stated previously. Under some circumstances a protecting group is not required.

The molecule ...
30-7-2021 at 22:20
by: zed
How to effect a separation of two nearly identical cholesterols/steroids
Perhaps the Ketone will form an insoluble oxime. Easy-Peasey.

Other than that, column chromatogr ...
24-7-2021 at 21:48
by: zed
Ethanol and methanol interchangeability?
Sometimes they are interchangable, and sometimes they aren't.

It depends on the reaction.
21-7-2021 at 17:39
by: zed
POCl3 via P2O5 + NaCl in borosilicate glass?
Yeah. Way I remember it, he utilizes a large test-tube as his reaction vessel.

That test-tube s ...
18-7-2021 at 22:17
by: zed
Why did TNT become so universal?
Well, it would appear that TNT is relatively non-corrosive, meaning stable.

It would also appear ...
11-7-2021 at 21:30
by: zed
how would it change if world population went to 500m?
Things would be great. Bye and Bye. Global warming would stop in its tracks. In a few years, the ...
10-7-2021 at 21:37
by: zed
Flux for soft soldering stainless steel
Ummm. Anodize the stainless in a copper sulfate solution, when the stainless turns black, reverse t ...
10-7-2021 at 21:14
by: zed
The POTENCY of carcinogens.
Asbestos, Smoking Cigarettes, UV, HPV, DES, Beta-Napthtalamine....

Liver Viruses. Alcoholism.

...
8-7-2021 at 22:45
by: zed
Why don't electrons lose energy when revolving?
Ah! A little more about electrons and what not.

This should render things crystal clear! (heh,he ...
7-7-2021 at 22:28
by: zed
Why don't electrons lose energy when revolving?
Blogfast? Well, he blogged fast... and often with a lack of politeness.

I just read up on his d ...
7-7-2021 at 00:35
by: zed
Happy July 4 everyone!
Argggh. From my youth... I can recall older men in Petaluma, grumbling about the demise of small-t ...
6-7-2021 at 12:22
by: zed
Protecting groups for tertiary amines
Find a reference for the procedure.

Need for a protecting group is not certain.

Some alkylat ...
6-7-2021 at 11:57
by: zed
Happy July 4 everyone!
Yup! At the last minute, they suspended fireworks sales in Portland.

Too bad. I might have purc ...
5-7-2021 at 16:58
by: zed
Preparation of NaH from sodium metal.
Not the way I would do it. I would prefer to make it by the pound, via a stirred pressure reactor, ...
25-6-2021 at 16:53
by: zed
Preparation of NaH from sodium metal.
http://www.sciencemadness.org/smwiki/index.php/Sodium_hydride
25-6-2021 at 01:02
by: zed
Chemical Resistant Vacuum Tubing?
Polyethylene... Kinda Rigid, pretty chemically resistant, very inexpensive. Does not collapse und ...
23-6-2021 at 22:15
by: zed
Copper hydride as a reducing agent?
"@ zed, what does that mean? "

It means; do you want to discuss reasonable ways to make Sodium Hy ...
23-6-2021 at 20:35
by: zed
Preparation of platinized silica gel beads
Well first, that Platinum will need to be converted to Chloroplatinic Acid via Aqua Regia. NurdRage ...
23-6-2021 at 20:20
by: zed
cinnamomum camphora and questions
Safrole has a considerable vapor pressure. I had some very fragrant Sassafras Bark on hand a while ...
20-6-2021 at 23:41
by: zed
Copper hydride as a reducing agent?
Perhaps you know too much already, to learn anything new.
20-6-2021 at 23:29
by: zed
Vilsmeier reagent/POCl3 formation
No. Not easier now.

Reagents were easy to get. Almost totally unrestricted. At least, where I ...
20-6-2021 at 23:23
by: zed
Copper hydride as a reducing agent?
Don't think so, but maybe.

Copper is very decent Hydrogenation Catalyst. Unfortunately, it is to ...
20-6-2021 at 00:35
by: zed
Vilsmeier reagent/POCl3 formation
Long ago my buddy Dr. Death, performed this reaction with POCl3 and Indole. Said it was easy, exce ...
19-6-2021 at 23:24
by: zed
cinnamomum camphora and questions
Who Eats Parsnips?

https://www.designer-drug.com/pte/12.162.180.114/dcd/chemistry/parsnips.html
...
17-6-2021 at 20:09
by: zed
Sythesis proposal for preparing 1,3-benzodioxole oxidation products using simple precursors
Depending on substrate, yields on the Cannizzarro, may not be 100%. In some cases there are side re ...
14-6-2021 at 07:02
by: zed
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