Skip to main content

Questions tagged [amines]

For questions about amines - organic compounds with a basic nitrogen with a lone pair, also occasionally referred to as derivatives of ammonia. Not to be confused with amides, for which the tag [carbonyl-compounds] is to be used.

27 votes
2 answers
14k views

How to rationalise the resonance structures and hybridisation of the nitrogen in a conjugated amine?

I was given the first structure, and then drew the other 5 resonance structures: First of all, are they correct? ChemBioDraw had some complaints, but as far as I can see there's the same number of ...
user avatar
2 votes
0 answers
290 views

Primary amine versus phosphoramidate reactivity with succinate esters

I have posted two reactions below. The top reaction is well known and occurs readily and near quantitatively (e.g. in protein modification), while the bottom reaction to my knowledge does not exist in ...
BBftw's user avatar
  • 991
22 votes
4 answers
8k views

Why do Organolithium or Grignard reagents act as nucleophiles and not as bases with aldehydes and ketones

I've read entire Chapter 14: Organometallic Compounds of Francis Carey's "Organic Chemistry" but I still didn't get an answer to my question. Quote from the book: Because of their basicity ...
claws's user avatar
  • 963
14 votes
4 answers
65k views

How do you create primary amines from alcohols?

By a primary amine I mean a compound where the hydroxyl group of the corresponding alcohol is replaced with an amine group.
Josh Pinto's user avatar
  • 2,461
7 votes
2 answers
2k views

How do amines react with flue gases to absorb CO₂?

I'm reading this article about carbon capture from the combustion of fossil fuels. In this article, it says that amines are used as a chemical absorbent to capture the $\ce{CO2}$ from the exhaust of ...
Paul's user avatar
  • 437
18 votes
2 answers
3k views

By what reaction does (–)-sparteine decompose in ambient conditions?

In its pure form (–)-sparteine is an only-slightly-yellow clear, viscous liquid. Yet, after only a week of being kept in dry, normal atmosphere (in a round bottom flask covered by a septa), some of it ...
Brad's user avatar
  • 181

15 30 50 per page
1
18 19 20 21
22