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aircraftvip
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
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ר¼Ò¾Ñé: +40 - BM-EPI: 10
- Ó¦Öú: 232 (´óѧÉú)
- ¹ó±ö: 0.06
- ½ð±Ò: 7345.7
- É¢½ð: 24
- ºì»¨: 28
- Ìû×Ó: 987
- ÔÚÏß: 487.4Сʱ
- ³æºÅ: 1007878
- ×¢²á: 2010-04-28
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ӻϳɻ¯Ñ§
- ¹ÜϽ: ÉúÎï²ÄÁÏ
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ºìÖÛÁ÷ÐÇ: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, ר¼Ò¿¼ºË, ˵ûÓÐÏÔÖøÑõ»¯£¬µ«ÊÇDMSO¶ÔÓÚÑõ»¯ÔÀíÓÖÊÇʲô£¿@liuanan 2012-08-28 09:23:26
yuzaifei: ½ð±Ò+4, Èç´ËѧÊõ£¬ËäÈ»²»ÊǺÜÓÐÓã¬Ò²¹ÄÀøÒ»Ï 2012-08-28 22:16:05
ºìÖÛÁ÷ÐÇ: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, ר¼Ò¿¼ºË, ˵ûÓÐÏÔÖøÑõ»¯£¬µ«ÊÇDMSO¶ÔÓÚÑõ»¯ÔÀíÓÖÊÇʲô£¿@liuanan 2012-08-28 09:23:26
yuzaifei: ½ð±Ò+4, Èç´ËѧÊõ£¬ËäÈ»²»ÊǺÜÓÐÓã¬Ò²¹ÄÀøÒ»Ï 2012-08-28 22:16:05
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One original paper was J. Org. Chem., 41(11), 2061 - 2064 (1976). It says the oxidation process worked in the presence small amount of bromine or Hydrogen bromide as catalyst, at high temperature as 180¡ãC, in the presence of water. "Further, Lipton and Bodwel14 have reported that cystine is oxidized to cysteic acid by minor amounts of MezSO under conditions used for the acid-catalyzed hydrolysis of proteins." I still think the best way is to make a conclusion after practical evidence. Since nobody could tell whether the oxidation would be significant if some of the conditions (temperature, pH, catalyst...) were changed. |

4Â¥2012-08-28 03:09:43
aircraftvip
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
-

ר¼Ò¾Ñé: +40 - BM-EPI: 10
- Ó¦Öú: 232 (´óѧÉú)
- ¹ó±ö: 0.06
- ½ð±Ò: 7345.7
- É¢½ð: 24
- ºì»¨: 28
- Ìû×Ó: 987
- ÔÚÏß: 487.4Сʱ
- ³æºÅ: 1007878
- ×¢²á: 2010-04-28
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ӻϳɻ¯Ñ§
- ¹ÜϽ: ÉúÎï²ÄÁÏ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
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¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ºìÖÛÁ÷ÐÇ: ½ð±Ò+1, ר¼Ò¿¼ºË, ¸Ðл½»Á÷»ØÌû£¬µ«ÊǶþ¡¢ÈýÂ¥ÄãÁ½Ë¶ÔË´íÎҾͲ»ÖªµÀÁË 2012-08-27 20:33:49
yuzaifei: ½ð±Ò+2, ¡ïÓаïÖú, лл²ÎÓë 2012-08-28 22:15:08
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ºìÖÛÁ÷ÐÇ: ½ð±Ò+1, ר¼Ò¿¼ºË, ¸Ðл½»Á÷»ØÌû£¬µ«ÊǶþ¡¢ÈýÂ¥ÄãÁ½Ë¶ÔË´íÎҾͲ»ÖªµÀÁË 2012-08-27 20:33:49
yuzaifei: ½ð±Ò+2, ¡ïÓаïÖú, лл²ÎÓë 2012-08-28 22:15:08
|
The best way is to make a model reaction. Of course make the reaction using DMSO-D6 as solvent in a NMR tube. |

2Â¥2012-08-27 16:24:31
liuanan
ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)
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ר¼Ò¾Ñé: +61 - BM-EPI: 1
- Ó¦Öú: 147 (¸ßÖÐÉú)
- ¹ó±ö: 0.03
- ½ð±Ò: 9004.7
- É¢½ð: 417
- ºì»¨: 28
- Ìû×Ó: 1279
- ÔÚÏß: 652.8Сʱ
- ³æºÅ: 313642
- ×¢²á: 2007-02-24
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yuzaifei: ½ð±Ò+2, ¡ïÓаïÖú, лл£¬Ò²ÌṩÁËÒ»ÖÖ¿ÉÄÜÐÔ 2012-08-28 22:15:36
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ºìÖÛÁ÷ÐÇ: ½ð±Ò+1, ר¼Ò¿¼ºË, ¸Ðл½»Á÷»ØÌû£¬µ«ÊǶþ¡¢ÈýÂ¥ÄãÁ½Ë¶ÔË´íÎҾͲ»ÖªµÀÁË 2012-08-27 20:34:00
yuzaifei: ½ð±Ò+2, ¡ïÓаïÖú, лл£¬Ò²ÌṩÁËÒ»ÖÖ¿ÉÄÜÐÔ 2012-08-28 22:15:36
| ÎÒ¾õµÃ²»ÐУ¬ÎҼǵÃDMSO¶ÔÛÏ»ùÓÐÑõ»¯×÷Ó㬹Èë׸ÊëļÓÈëÖ®ºó×Ô¼º¾Í»á±»Ñõ»¯Éú³É¶þÁò¼üÁ衃 |
3Â¥2012-08-27 16:42:44
aircraftvip
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
-

ר¼Ò¾Ñé: +40 - BM-EPI: 10
- Ó¦Öú: 232 (´óѧÉú)
- ¹ó±ö: 0.06
- ½ð±Ò: 7345.7
- É¢½ð: 24
- ºì»¨: 28
- Ìû×Ó: 987
- ÔÚÏß: 487.4Сʱ
- ³æºÅ: 1007878
- ×¢²á: 2010-04-28
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ӻϳɻ¯Ñ§
- ¹ÜϽ: ÉúÎï²ÄÁÏ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
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markar: ½ð±Ò+1, ¸Ðл»ØÌû½»Á÷ 2012-08-28 15:33:44
yuzaifei: ½ð±Ò+4, ¡ïÓаïÖú, ÔÞѧÊõ£¬¸ÐлÄúµÄÈÏÕæ½²½â 2012-08-28 22:16:42
markar: ½ð±Ò+1, ¸Ðл»ØÌû½»Á÷ 2012-08-28 15:33:44
yuzaifei: ½ð±Ò+4, ¡ïÓаïÖú, ÔÞѧÊõ£¬¸ÐлÄúµÄÈÏÕæ½²½â 2012-08-28 22:16:42

5Â¥2012-08-28 14:02:12













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