𝔖 Bobbio Scriptorium
✦   LIBER   ✦

(4+2)-cycloaddition of singlet oxygen to oxazoles formation of oxazole endoperoxides

✍ Scribed by Klaus Gollnick; Sigrid Koegler

Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
225 KB
Volume
29
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

Rearrangement of 2-amino-4-(trifluoromet
Rearrangement of 2-amino-4-(trifluoromethyl)oxazoles to hydantoins
✍ Jon P. Lawson; Karey A. VanSant πŸ“‚ Article πŸ“… 1999 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 216 KB

## Abstract Reaction of 2‐amino‐4‐trifluoromethyloxazoles with excess bromine in acetic acid/sodium acetate gives 5‐acetoxyhydantoins. The 5‐bromooxazoles are intermediates in the reaction.

[4+2] - cycloaddition of singlet oxygen
[4+2] - cycloaddition of singlet oxygen to conjugated acyclic hexadienes : evidence of singlet oxygen induced cis β‡Œ trans - isomerization
✍ Klaus Gollnick; Axel Griesbeck πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 French βš– 233 KB

Addition of singlet oxygen to trans, trans-2,4-hexadiene lH-n.m.r.:6= 1.17 (d, 2CH3), 4.55 (q, tert.H), 5.74 (s, -CH=); 13 C-n. m. r. : 6 = 17.476 (q, CH3), 73.875 (d, tert. C), 128.879 (d, C=C). 8 1 z: colorless oil ; H-n.m. r. : s = 1.23 (t, 2 -CH2-CI13 , J = 6 Hz), 1.28 (d, 1 CH3 > J = 6 Hz), 1.5