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The absolute configuration (S) of the hydroxyl group was determined by comparing the specific rotation data ([¦Á]  +20.1¡ã, MeOH) and the Cotton effects at 215 (¨C6.2), 283 (¨C2.9), 319 (¨C2.9) nm with those in the liteature  ([¦Á]  ¨C12.2¡ã, MeOH) and the Cotton effect at 212 (+ 25.2), 236 (¨C18.2), 255 (¨C8.4), 277 (¨C1.5) and 298(¨C6.7) nm in the CD spectrum

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ÎҵϝºÏÎïÊÇÕýµÄ ±ÈÐý ([¦Á]  +20.1¡ã, MeOH)   ¸ºµÄCD 215 (¨C6.2), 283 (¨C2.9), 319 (¨C2.9)
ÎÄÏ×µÄÊÇ ¸ºµÄ±ÈÐý¹â¶È  ([¦Á]  ¨C12.2¡ã, MeOH) £¬ÕýµÄCD  212 (+ 25.2), 236 (¨C18.2), 255 (¨C8.4), 277 (¨C1.5) and 298(¨C6.7)
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»ð¼ý´©Æ¨Æ¨: ½ð±Ò+10, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, rotation ÊDZÈÐý¹â¶È£¬ Cotton effects ÊÇCD ÊÇÁ½¸ö²»Í¬µÄ²âÊÔ½á¹û£¬²»¹ý»¹ÊÇллÄãÁË£¡ 2014-01-12 11:14:26
The Absolute Stereochemistry of compound hydroxyl group  was determined by comparing the specific rotation data ([¦Á]  +20.1¡ã, MeOH)  of the circular dichroism with literiture¡£Compound  rotation ([¦Á] +20.1 ¡ã, MeOH) was  215 (-6.2), 283 (-2.9), 319 (¨C2.9)
while literiture rotation was ([¦Á] -12.2 ¡ã, MeOH) was  212 (+ 25.2), 236 (-18.2), 255 (-8.4), 277 (-1.5) and 298 (-6.7 ).Õý¸ºÐý¹â²»Ó÷­Ò룬ֱ½Ó·ûºÏ±íʾ¡£the Cotton effects ¿ÉÒÔ»»Îªrotation£¬¿´¸öÈËϲºÃ£¡
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2Â¥2014-01-09 15:47:04
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spiegboy

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i would suggest you rearrange the sentence. First explain the term you are going to compare, then present the results out of this comparison. this meets the general logic set.
3Â¥2014-01-11 20:47:49
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