Diazomethane
Diazomethane is the chemical compound CH2N2, discovered by German chemist Hans von Pechmann in 1894. It is the simplest diazo compound. In the pure form at room temperature, it is an extremely sensitive explosive yellow gas; thus, it is almost universally used as a solution in diethyl ether. The compound is a popular methylating agent in the laboratory, but it is too hazardous to be employed on an industrial scale without special precautions.
Use
For safety and convenience diazomethane is always prepared as needed as a solution in ether and used as such. It converts carboxylic acids into their methyl esters or into their homologues (see Arndt-Eistert synthesis). In the Büchner–Curtius–Schlotterbeck reaction diazomethane reacts with an aldehyde to form ketones.
When diazomethane is reacted with alcohols or phenols in presence of boron trifluoride (BF3), methyl ethers are obtained.
Diazomethane is also frequently used as a carbene source. It readily takes part in 1,3-dipolar cycloadditions.
Podcasts:
-
by Britney Spears
-
by Max Minelli
Do Somethin'
by: Britney SpearsDo you feel this?
I know I feel this
Are you ready?
I don't think so
Somebody give me my truck
So I can ride on the clouds
So I can turn up the bass
Like
Somebody pass my guitar
So I can look like a star
And spent my cash like
What ya gonna do when the crowd goes, waoo?
Why ya standin' on the wall?
Music startin' everywhere
So why don't you just move along?
I see you lookin' at me
Like I'm some kind of freak
Get up out of your seat
Why don't ya do somethin'?
I see you lookin' at me
Like I got what you need
Get up out of your seat
Why don't ya do somethin'?
Now you're ownin' my grill
'Cause I say what I feel
Only rock to what's real
And they will bum, bum
But I can't do that with you
Alright here with my crew
You can roll if you can
Don't want a punk, punk
What ya gonna do when the crowd goes waao?
Why ya standin' on the wall?
Music startin' everywhere
So, why don't you just move along?
I see you lookin' at me
Like I'm some kind of freak
Get up out of your seat
Why don't ya do somethin'?
I see you lookin' at me
Like I got what you need
Get up out of your seat
Why don't ya do somethin'?
I see you lookin' at me
Like I'm some kind of freak
Get up out of your seat
Why don't ya do somethin'?
I see you lookin' over here
Can't you tell I'm havin' fun?
If you know like I know
You what's up, starin' at us
Get your own space and do somethin'
I see you lookin' at me
Like I'm some kind of freak
Get up out of your seat
Why don't ya do somethin'?
I see you lookin' at me
Like I got what you need
Get up out of your seat
Why don't ya do somethin'?
I see you lookin' at me
Like I'm some kind of freak
Get up out of your seat
Why don't ya do somethin'?
Do somethin'