%0 Journal Article %T Synthesis of meso-substituted dihydro-1,3-oxazinoporphyrins %A Satyasheel Sharma %A Mahendra Nath %J Beilstein Journal of Organic Chemistry %D 2013 %I %R 10.3762/bjoc.9.53 %X Novel dihydro-1,3-oxazinoporphyrins and naphtho[e]bis(dihydro-1,3-oxazinoporphyrin) derivatives, in which the porphyrin macrocycle is covalently linked to the dihydro-1,3-oxazine ring system were successfully synthesized from 5-(4-aminophenyl)-10,15,20-triphenylporphyrin in good yields. The structures of the target products were established on the basis of spectral data and elemental analyses. %K dihydro-1 %K 3-oxazinoporphyrins %K iminoporphyrins %K La(OTf)3 %K Mannich type reaction %K synthesis %U http://dx.doi.org/10.3762/bjoc.9.53