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meso-Deuteriation of magnesium porphyrins

✍ Scribed by G.W. Kenner; K.M. Smith; M.J. Sutton

Book ID
104246857
Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
223 KB
Volume
14
Category
Article
ISSN
0040-4039

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✦ Synopsis

Several studies of the deuterium exchange of metalloporphyrin meso-protons have been rep0rted.l In these investigations, the source of dcuterium was usually deuterioncetic or deuteriotrifluoroacetic acid, and interpretation of the data was often complicated by demetallation of the su?,strates under tho exchange conditiona. No information on the electrophilic substitution of magnesium porphyrins has been gathered because the magnesium would be removod,immediately by the acidic media. However, from

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Three meso-furyl porphyrins with N 4 , N 3 S and N 2 S 2 porphyrin cores were synthesized and characterized. The absorption bands of meso-furyl porphyrins experienced large red shifts compared to meso-aryl porphyrins and the maximum red shifts were observed for the meso-furyl porphyrin with the N 2