Synthesis and unusual reaction of (1, 3) pyrimidino) 6, 9) purinophanes
K Doyama, F Hama, Y Sakata, S Misumi
Index: Doyama, Kazuo; Hama, Fumio; Sakata, Yoshiteru; Misumi, Soichi Tetrahedron Letters, 1983 , vol. 24, # 47 p. 5253 - 5256
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Citation Number: 8
Abstract
... SYNTHESIS AND UNUSUAL REACTION OF (1,3)PYRIMIDINO(6,9)PURINOPHANES1) Kazuo DOYAMA, Fumio HAMA, Yoshiteru SAKATA,* and Soichi The Institute ... with a,m-dibromoalkanes 7 and potassium carbonate in DMSO, however, gave only isomeric compound 3. After examining various reaction conditions, we succeeded in preparing 1 and 2 together with the non-stacking isomers 3 and 4 from the same starting material 5. MISUMI* University O ...
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