A NEW STEREOSPECIFIC METHOD FOR 1,2-CIS-GLYCOSYLATION

A NEW STEREOSPECIFIC METHOD FOR 1,2-CIS-GLYCOSYLATION
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DOI:
10.1016/0008-6215(91)84047-i
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发表时间:
1991-06-10
影响因子:
3.1
通讯作者:
DEMCHENKO, AV
DEMCHENKO, AV
中科院分区:
化学3区
文献类型:
--
作者:
KOCHETKOV, NK;KLIMOV, EM;DEMCHENKO, AV

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本文报道了一种新的立体专一性的1,2-顺式糖基化方法,即在三苯基甲基高氯酸盐存在下,1,2-反式糖基硫氰酸酯与糖基三苯甲基醚反应,得到了(1 -> 6),(1 -> 4),(1 -> 3)和(1 -> 2)键的双糖衍生物。
A new stereospecific method for 1,2-cis-glycosylation involves the reaction of 1,2-trans-glycosyl thiocyanates with sugar trityl ethers in the presence of triphenylmethylium perchlorate, The method has been applied to give disaccharide derivatives with (1 --> 6), (1 --> 4),(1 --> 3), and (1 --> 2) linkages.