| ²é¿´: 662 | »Ø¸´: 1 | ||
| ±¾Ìû²úÉú 1 ¸ö ·ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴 | ||
³ªÐ¡¸è£¡Ð³æ (СÓÐÃûÆø)
|
[ÇóÖú]
ÇóÖú·Ò룡£¡
|
|
|
ÇóÖú·ÒëÁ½¾ä»°£ºmore basic pivalate anion acted as a base to efficiently promote pivaloylation under base-free conditions. On the other hand, less-basic acetate anion did not work as an efficient base, and the reactivity of acetylation largely depended on auxiliary bases. ÁíÍâÎÄÖÐauxiliary basesÊÇʲôÒâ˼£¿Ê®·Ö¸Ðл£¡ |
» ²ÂÄãϲ»¶
294Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
322Çóµ÷¼Á£ºÒ»Ö¾Ô¸ºþÄÏ´óѧ ²ÄÁÏÓ뻯¹¤£¨085600£©£¬ÒѹýÁù¼¶¡£
ÒѾÓÐ14È˻ظ´
282Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
µ÷¼Á
ÒѾÓÐ9È˻ظ´
315Çóµ÷¼Á
ÒѾÓÐ13È˻ظ´
²ÄÁϵ÷¼Á
ÒѾÓÐ8È˻ظ´
070300»¯Ñ§Ñ§Ë¶311·ÖÇóµ÷¼Á
ÒѾÓÐ6È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
²ÄÁϵ÷¼Á
ÒѾÓÐ9È˻ظ´
Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
ssssllllnnnn
ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)
Translator and Proofreader
- ·ÒëEPI: 1690
- Ó¦Öú: 452 (˶ʿ)
- ½ð±Ò: 31580.9
- ºì»¨: 100
- Ìû×Ó: 7681
- ÔÚÏß: 19966.6Сʱ
- ³æºÅ: 3328089
- ×¢²á: 2014-07-17
- רҵ: Ö×Áö·¢Éú
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï
³ªÐ¡¸è£¡: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2015-09-15 14:19:34
³ªÐ¡¸è£¡: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2015-09-15 14:19:34
|
¸ü¾ß¼îÐÔµÄÐÂÎìËáÒõÀë×Ó×÷Ϊ¼îÔÚÔÚÎÞ¼îÌõ¼þÏÂÓÐЧµØ´Ù½øÐÂÎìõ£»¯¡£¶øÁíÒ»·½Ã棬¼îÐÔ½ÏÈõµÄÒÒËáÒõÀë×Ó²»ÄÜ×÷ΪһÖÖÓÐЧµÄ¼î£¬ÒÒõ£»¯·´Ó¦Ôںܴó³Ì¶ÈÒÀÀµÓÚ¸¨Öú¼î¡£ auxiliary bases£º¸¨Öú¼î£¬¾ÍÊÇÐèÒªÌṩÆäËû¼îÐÔÎïÖÊ |
2Â¥2015-09-15 11:32:53














»Ø¸´´ËÂ¥