Search results

Technopedia Center

Faculty of Engineering and Computer Science
S1 Informatics S1 Information Systems S1 Information Technology S1 Computer Engineering S1 Electrical Engineering S1 Civil Engineering

faculty of Economics and Business
S1 Management S1 Accountancy

Faculty of Letters and Educational Sciences
S1 English literature S1 English language education S1 Mathematics education S1 Sports Education

Search results

The page "6 4 Cycloaddition" does not exist. You can create a draft and submit it for review or request that a redirect be created, but consider checking the search results below to see whether the topic is already covered.

6+4 Cycloaddition
[6+4] Cycloaddition is a type of cycloaddition between a six-atom pi system and a four-atom pi system, leading to a ten-membered ring. Because this is...

9 KB (1,075 words) - 20:53, 22 July 2024
Cycloaddition
Other cycloaddition reactions exist: (4+3) cycloadditions, [6+4] cycloadditions, [2 + 2] photocycloadditions, metal-centered cycloaddition and [4+4] photocycloadditions...

12 KB (1,317 words) - 23:37, 6 December 2024
(4+3) cycloaddition
A (4+3) cycloaddition is a cycloaddition between a four-atom π-system and a three-atom π-system to form a seven-membered ring. Allyl or oxyallyl cations...

10 KB (1,268 words) - 11:59, 1 December 2024
Ketene cycloaddition
Ketene cycloadditions are the reactions of the pi system of ketenes with unsaturated compounds to provide four-membered or larger rings. [2+2], [3+2],...

9 KB (1,180 words) - 00:32, 24 August 2024
Azide-alkyne Huisgen cycloaddition
The azide-alkyne Huisgen cycloaddition is a 1,3-dipolar cycloaddition between an azide and a terminal or internal alkyne to give a 1,2,3-triazole. Rolf...

21 KB (2,639 words) - 20:31, 22 July 2024
1,3-Dipolar cycloaddition
cycloaddition is a chemical reaction between a 1,3-dipole and a dipolarophile to form a five-membered ring. The earliest 1,3-dipolar cycloadditions were...

65 KB (6,396 words) - 21:04, 1 August 2024
Woodward–Hoffmann rules (redirect from 2+2 Cycloaddition)
formidable (up to ca. 5 eV or 480 kJ/mol in the case of a forbidden [2+2] cycloaddition), the prohibition is not absolute, and symmetry-forbidden reactions...

93 KB (11,920 words) - 14:03, 12 December 2024
Click chemistry (section Copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC))
Diels-Alder reaction and inverse electron demand Diels-Alder reaction [4+1] cycloadditions between isonitriles (isocyanides) and tetrazines nucleophilic substitution...

48 KB (5,450 words) - 06:03, 4 January 2025
Metal-centered cycloaddition reactions
A metal-centered cycloaddition is a subtype of the more general class of cycloaddition reactions. In such reactions "two or more unsaturated molecules...

10 KB (1,034 words) - 02:09, 2 August 2024
4+4 Photocycloaddition
The [4+4] Photocycloaddition is a cycloaddition reaction in which two unsaturated molecules connect via four atoms from each molecule (hence "4 + 4") to...

8 KB (917 words) - 11:57, 13 August 2023
Bioorthogonal chemistry (section [4+1] Cycloaddition)
fulfill the requirements of bioorthogonality, including the 1,3-dipolar cycloaddition between azides and cyclooctynes (also termed copper-free click chemistry)...

44 KB (5,098 words) - 11:34, 22 December 2024
4-Chlorophenyl azide
4-chlorophenyl azide are important in click chemistry. The azide reacts in a cycloaddition with alkyl-nitriles to form 1,2,3-triazoles. The use of azides is very...

7 KB (566 words) - 21:19, 8 February 2025
Nitroethylene (section Cycloaddition)
and their derivatives in a [4+2] cycloaddition. Nitroethene can react at the 2π electron source in a [3+2] cycloaddition with nitrones. Nitroethylene...

8 KB (846 words) - 13:37, 13 July 2024
Vinylcyclopropane (5+2) cycloaddition
Vinylcyclopropane (5+2) cycloaddition is a type of cycloaddition between a vinylcyclopropane (VCP) and an olefin or alkyne to form a seven-membered ring...

15 KB (1,523 words) - 02:17, 15 November 2024
Enone–alkene cycloadditions
In organic chemistry, enone–alkene cycloadditions are a version of the [2+2] cycloaddition. This reaction involves an enone and alkene as substrates....

9 KB (1,024 words) - 15:05, 11 February 2025
Tris(benzyltriazolylmethyl)amine
allows for quantitative, regioselective formal Huisgen 1,3-dipolar cycloadditions between alkynes and azides, in a variety of aqueous and organic solvents...

4 KB (279 words) - 02:00, 22 August 2022
Diels–Alder reaction (redirect from Diels-Alder cycloaddition reaction)
mechanism. More specifically, it is classified as a thermally allowed [4+2] cycloaddition with Woodward–Hoffmann symbol [π4s + π2s]. It was first described...

69 KB (7,907 words) - 04:59, 11 February 2025
Alkyne trimerisation (category Cycloadditions)
An alkyne trimerisation is a [2+2+2] cycloaddition reaction in which three alkyne units (C≡C) react to form a benzene ring. The reaction requires a metal...

18 KB (1,930 words) - 14:01, 11 February 2025
Cascade reaction
Scheme 14. Gold-catalyzed formal intramolecular [4+2] cycloaddition of 1,6-enynes This formal cycloaddition was proposed to proceed via the cascade process...

26 KB (2,852 words) - 01:12, 31 January 2025
Thiazole (redirect from 5,5-dimethyl thiazolidinium-4-carboxylate)
[2+2]cycloaddition to a cyclobutene, then to a 1,3-thiazepine in a 4-electron electrocyclic ring opening and then to a 7-thia-2-azanorcaradiene in a 6-electron...

12 KB (1,151 words) - 11:33, 2 October 2024

Quotes from Wikiquote
Nucleophilic substitution
alkyl azides are readily reduced to primary amines, while 1,3 - dipolar cycloadditions of azide derivatives with dipolarophiles such as alkenes, alkynes, and
See all results
Textbooks from Wikibooks
Structural Biochemistry/Organic Chemistry
alkene added is called dienophile. The reaction is also called a [4+2]cycloaddition. This type of reaction can still be carried out in the absence of
See all results

Retrieved from "https://en.wikipedia.org/wiki/Special:Search"