|
關(guān)注:1
2013-05-23 12:21
求翻譯:The J values of these signals δ432 (1H,ddd,J=14.4,10.1,4.3Hz,H-6),3.96(1H,dd,J=11.3,5.0Hz,H-3)and 3.61(1H,brs,H-21)indicated that H-3 and H- 6 oriented axially,and H-21 was oriented equatorially,so that the structure of compound 2 couId be characterized as 3β,6α,21β,23-tetrahydroxy-12-oleanen-28-oic acid是什么意思?![]() ![]() The J values of these signals δ432 (1H,ddd,J=14.4,10.1,4.3Hz,H-6),3.96(1H,dd,J=11.3,5.0Hz,H-3)and 3.61(1H,brs,H-21)indicated that H-3 and H- 6 oriented axially,and H-21 was oriented equatorially,so that the structure of compound 2 couId be characterized as 3β,6α,21β,23-tetrahydroxy-12-oleanen-28-oic acid
問題補充: |
|
2013-05-23 12:21:38
這些信號的J值δ432(1H,DDD,J = 14.4,10.1,4.3赫茲,H-6),3.96(1H,DD,J = 11.3,5.0赫茲,H-3)和3.61(1H,BRS, H-21),H-3和H-6導(dǎo)向軸,H-21是面向equatorially,這樣的結(jié)構(gòu)化合物2 couid的特點為3β,6α,21β,23-四羥基-12-oleanen 28伊斯蘭會議組織酸
|
|
2013-05-23 12:23:18
這些信號的j值δ432(1h,ddd,j=14.4、10.1、4.3hz,h-6) 效果3.96( 1h,dd,j=11.3,5.0hz,h-3)和3.61(1h,brs,h-21)表示,h-3,h-6h21是面向axially,andequatorially,so,面向的結(jié)構(gòu)可能為理事會在分析方面的特征是復(fù)合23β,6α,.21β,23-tetrahydroxy-12-oleanen-28-伊斯蘭會議組織酸
|
|
2013-05-23 12:24:58
正在翻譯,請等待...
|
|
2013-05-23 12:26:38
J 值,這些信號 δ432 (1H,ddd,J = 14.4,10.1,4.3Hz,H-6),3.96(1H,dd,J=11.3,5.0Hz,H-3) 和 3.61(1H,brs,H-21) 表示 H-3 和 H-6 面向 axially,and H 21 是結(jié)構(gòu)的復(fù)合 2 可以被定性為的面向的 equatorially,so 3β,6α,21β,23-tetrahydroxy-12-oleanen-28-oic 酸
|
|
2013-05-23 12:28:18
正在翻譯,請等待...
|
湖北省互聯(lián)網(wǎng)違法和不良信息舉報平臺 | 網(wǎng)上有害信息舉報專區(qū) | 電信詐騙舉報專區(qū) | 涉歷史虛無主義有害信息舉報專區(qū) | 涉企侵權(quán)舉報專區(qū)