Tetrahedron Letters p. 2055 - 2058 (1988)
Update date:2022-08-16
Topics:
Zylber, J.
Ouazzani-Chahdi, L.
Chiaroni, A.
Riche, C.
C-5 methylation of the model purine compound caffeine by acetyl benzoyl peroxide is the result of preferential addition of the electrophilic benzoyloxy radical at C-8 in neutral medium.X-ray structure and molecular orbital calculations on 1,3,5,7-tetramethyl-5,7-dihydrouric acid are presented.
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