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5,6-Dihydro-8H-isoquinolo[2,3-a]phthalazin-5-ones and 8H-isoquinolo[2,3-c][2,3] benzoxazin-5-ones

B. Proksa and Z. Votick√Ĺ

Slovakofarma, 920 27Hlohovec

 

Abstract: Condensation of narceonic acid (J), obtained from narceine (II), with derivatives of hydrazine or with hydroxylamine afforded derivatives of 4-benzyl-1,2-dihydrophthalazin-1 -one or 4-benzyl- 1H-[2,3] benzoxazin-1 -one; both cyclize in acid medium to give 5,6-dihydro-8H-isoquinolo[2,3-a]phthalazin-5-ones and 8H-isoquinolo[2,3-c] [2,3]benzoxazin-5-ones, respectively.

Full paper in Portable Document Format: 342a241.pdf

 

Chemical Papers 34 (2) 241–247 (1980)

Wednesday, April 21, 2021

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