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chemistry2228
ͳæ (СÓÐÃûÆø)
- ·ÒëEPI: 37
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 619.8
- ºì»¨: 1
- Ìû×Ó: 232
- ÔÚÏß: 99.1Сʱ
- ³æºÅ: 756097
- ×¢²á: 2009-04-23
- ÐÔ±ð: GG
- רҵ: Óлú·Ö×Ó¹¦ÄܲÄÁÏ»¯Ñ§
4Â¥2011-05-15 10:06:49
chemistry2228
ͳæ (СÓÐÃûÆø)
- ·ÒëEPI: 37
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 619.8
- ºì»¨: 1
- Ìû×Ó: 232
- ÔÚÏß: 99.1Сʱ
- ³æºÅ: 756097
- ×¢²á: 2009-04-23
- ÐÔ±ð: GG
- רҵ: Óлú·Ö×Ó¹¦ÄܲÄÁÏ»¯Ñ§
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
sunxuefei(½ð±Ò+60, ·ÒëEPI+1): 2011-05-15 14:43:43
| the catalytic hydration of acetonitrile and terminal alkynes byTpRu(PPh3)2£¨OH£©have been studied.(1)the catalytic hydration of acetonitrile: Researches indicated that the acetonitrile conversion did not happen in the anhydrous THF. while adding some water to THF, Acetamide was formed. this indicated that water plays an important role in this reaction. |
2Â¥2011-05-15 09:56:52
chemistry2228
ͳæ (СÓÐÃûÆø)
- ·ÒëEPI: 37
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 619.8
- ºì»¨: 1
- Ìû×Ó: 232
- ÔÚÏß: 99.1Сʱ
- ³æºÅ: 756097
- ×¢²á: 2009-04-23
- ÐÔ±ð: GG
- רҵ: Óлú·Ö×Ó¹¦ÄܲÄÁÏ»¯Ñ§
3Â¥2011-05-15 09:57:54
chemistry2228
ͳæ (СÓÐÃûÆø)
- ·ÒëEPI: 37
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 619.8
- ºì»¨: 1
- Ìû×Ó: 232
- ÔÚÏß: 99.1Сʱ
- ³æºÅ: 756097
- ×¢²á: 2009-04-23
- ÐÔ±ð: GG
- רҵ: Óлú·Ö×Ó¹¦ÄܲÄÁÏ»¯Ñ§
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
| then the hydrogen-bond between H2O and OH was formed. after the oxygen atom of water nucleophilic attack the carbon atom of cyano, TpRu(PPh3)(H2O)(NHCOMe) was formed by a phosphoenol rearrangement. finally, Acetamide was produced by Cyclic reaction which nvolved the exchange of acetonitrile and H2O. |
5Â¥2011-05-15 10:21:45













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