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Solvent-free regioselective synthesis of 6-and 7-substituted pteridines under microwave irradiation
作者:R. Singh、Geetanjali
DOI:10.1134/s1070428006010210
日期:2006.1
Reactions of 5,6-diaminouracils with a-keto aldehydes over acidic and neutral aluminum oxide under microwave irradiation gave the corresponding 6- and 7-substituted 1,2,3,4-tetrahydropteridine-2,4-diones in 63-79% yield with high regioselectivity.
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Ichiba, Misuzu; Kanazawa, Hashime; Tamura, Zenzo, Heterocycles, 1985, vol. 23, # 9, p. 2317 - 2319
作者:Ichiba, Misuzu、Kanazawa, Hashime、Tamura, Zenzo、Senga, Keitaro
DOI:——
日期:——
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YONEDA F.; HIGUCHI M., J. CHEM. SOC. PERKIN TRANS., PART 1 <JCPK-BH>, 1977, NO 11, 1336-1339
作者:YONEDA F.、 HIGUCHI M.
DOI:——
日期:——
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ICHIBA, MISUZU;KANAZAWA, HASHIME;TAMURA, ZENZO;SENGA, KEITARO, HETEROCYCLES, 1985, 23, N 9, 2317-2319
作者:ICHIBA, MISUZU、KANAZAWA, HASHIME、TAMURA, ZENZO、SENGA, KEITARO
DOI:——
日期:——
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SENGA K.; KANAMORI Y.; NISHIGAKI S., HETEROCYCLES, 1977, 6, NO 6, 693-695
作者:SENGA K.、 KANAMORI Y.、 NISHIGAKI S.
DOI:——
日期:——