In organic chemistry, a nitrone is a functional group consisting of an N-oxide of an imine. The general structure is R1R2C=N+(−O−)(−R3), where R3 is not...
6 KB (493 words) - 21:59, 21 June 2024
The nitrone-olefin (3+2) cycloaddition reaction is the combination of a nitrone with an alkene or alkyne to generate an isoxazoline or isoxazolidine via...
7 KB (923 words) - 22:24, 27 September 2024
of the nitrone dipole, and acyclic and endocyclic nitrones are all tolerated. This large allowance provides a lot of flexibility for nitrone handle or...
48 KB (5,452 words) - 07:49, 9 October 2024
azides and cyclooctynes (also termed copper-free click chemistry), between nitrones and cyclooctynes, oxime/hydrazone formation from aldehydes and ketones...
44 KB (5,098 words) - 05:29, 19 February 2024
sodium (Cerovive, OKN-007, NXY-059, HPN-07) is a free radical trapping nitrone-based antioxidant compound that has been under development for several...
10 KB (808 words) - 19:21, 20 December 2023
Cycloaddition (section Nitrone-olefin cycloaddition)
reaction. The Huisgen cycloaddition reaction is a (2+3)cycloaddition. The Nitrone-olefin cycloaddition is a (3+2)cycloaddition. Cheletropic reactions are...
11 KB (1,261 words) - 17:18, 22 January 2024
with nitro compounds to give a nitrone; but a Grignard reagent with an α hydrogen will then add again to the nitrone to give a hydroxylamine salt. The...
17 KB (1,790 words) - 15:57, 1 September 2024
azides and cyclooctynes (also termed copper-free click chemistry), between nitrones and cyclooctynes, oxime/hydrazone formation from aldehydes and ketones...
15 KB (2,619 words) - 00:28, 24 September 2024
The rearrangement has also been successfully performed on haloimines and nitrones. Cyclic oximes and haloimines yield lactams. The Beckmann rearrangement...
14 KB (1,418 words) - 18:35, 26 September 2024
by (3+2) cycloaddition between a nitrone and an alkyne. This can be considered an extension of the more common nitrone-olefin (3+2) cycloaddition used...
5 KB (453 words) - 18:24, 9 July 2024