NOVEL CYCLOIMIDES IN THE CHLOROPHYLL a SERIES

A.F. Mironov*^a, M.A. Grin^a, S.A. Nochovny^a, Ph.V. Toukach^b

^aM.V. Lomonosov Academy of Fine Chemical Technology, Moscow, Russia
^bN.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia

Mendeleev Communications, 2003, v. 4, p.156-158

The reaction of hydrazine hydrate with purpurin 18 was studied. The resulting monohydrazide readily reacts with the second carboxy group on acidification to give a six-membered chlorin p₆ N-aminocycloimide with the reduction of the vinyl group to ethyl.

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