Unexpected formation of 5′-aryl-1′-benzyl-4′-methyl-3,4,2′,3′-tetrahydro-2,2′-dioxospiro[chroman3,3′-pyrrol]-4-yl acetates at acylation of 1-aryl-2-benzyl-1-hydroxy-9c-methyl-1,2,9b,9c-tetrahydro-5-oxa-2-azacyclopenta[2,3]cyclopropa[1,2-a]naphthalene-3,4-diones with acetic anhydride

Author: Shchepin V.   Silaichev P.   Kodess M.  

Publisher: MAIK Nauka/Interperiodica

ISSN: 1070-4280

Source: Russian Journal of Organic Chemistry, Vol.42, Iss.5, 2006-05, pp. : 778-779

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