Benzo[c]cinnoline derivatives. II. Reactions of Benzo[c]cinnolines with lithium dialkylaniides
Keyword(s):
2-Chlorobenzo[c]cinnoline has been found to yield 4-dimethylaminobenzo[c]-cinnoline and 2,4,7-tris(dimethylamino)benzo[c]cinnoline on reaction with lithium dimethylamide. The same products are formed (although in a different ratio) from benzo[c]cinnoline and lithium dimethylamide. 4-Dimethylaminobenzo[c]cinnoline gives the 2,4,7-tris(dimethylamino) compound in low yield with lithium dimethyl-amide; but 2-dimethylaminobenzo [c]cinnoline appears to be completely unreactive. 4-Diethylaminobenzo[c]cinnoline is formed in the interaction of benzo[c]cinnoline and lithium diethylamide.
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1960 ◽
Vol 82
(24)
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pp. 6370-6372
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1967 ◽
Vol 32
(2)
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pp. 435-439
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1973 ◽
Vol 11
(11)
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pp. 2777-2791
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1975 ◽
Vol 13
(11)
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pp. 2437-2452
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1963 ◽
Vol 4
(6)
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pp. 1568-1572
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1965 ◽
Vol 14
(5)
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pp. 813-816
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1948 ◽
Vol 70
(11)
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pp. 3945-3946
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