Synthesis

Nitrogen-bridgehead compounds; 401. Cyclization in phosphoryl chloride-polyphosphoric acid mixture

I Hermecz, Á Horváth, L Vasvári-Debreczy…

Index: Synthesis, , # 2 p. 152 - 158

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Citation Number: 28

Abstract

... Attempts to cyclize the B-amino-a-cyanoacrylates lj, k, p and l"g were also unsuccessful. ... Page 5. 156 Communications Table 5. Preparation of 2-Methyl-4-oxo-4H-pyridol1,2-alpyrimidines (19) according to Scheme G SYNTHESIS 3 Amine R' R2 R R4 Prod- Scale Reaction ...