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Nonpenetrating deep sclerectomy in this preliminary study, deep sclerectomy was efficacious and had few postoperative complications, so it can be an alternative in the management of uveitic glaucoma.

The amalgam (Na.Hg) reduction of some 4‐substituted‐2‐amino‐3,5‐dicyano‐6‐methoxypyridines 3 results in the formation, in high yields of 3,4‐dihydropyridines 2. Highfield 1H and 13C nmr studies provide unambiguous support for the structures proposed. The synthesis of C‐4 deuterium labeled dihydropyridine 2c‐D, by this procedure, let us understand the role played by this dihydropyridines as intermediates in the necessary oxidation path into the synthesis of pyridines 3 from malononitrile and benzylidenemalononitriles 1 in methanol/sodium methoxide.