²é¿´: 1400  |  »Ø¸´: 9

zxb1980083

Í­³æ (ÕýʽдÊÖ)

[ÇóÖú] ÇëÎÊÏ´ó¼Ò´ïÉ³ÌæÄá×îºóÒ»²½ÖмäÌåºÏ³ÉÌõ¼þÓ¦¸Ã×¢Òâʲô?

ºÏ³É×îºóÒ»²½ÖмäÌåµÄʱºò,Óõ¹ÊýµÚ¶þ²½ÖмäÌåºÍ2-¼×-4,6-¶þÂÈà×ष´Ó¦.·´Ó¦Ìõ¼þ°´ÎÄÏ×ÉÏTHF/NaOtBu,HPLC¸ú×Ù·´Ó¦Ò»µã·´Ó¦¶¼Ã»ÓÐ.²»ÖªµÀÔõô»ØÊÂ.
Õâ²½·´Ó¦Ó¦¸ÃºÜÈÝÒ×µÄѽ.
ÎÒ·¢ÏÖÎÒÂòµÄµÚ¶þ²½ÖмäÌå2-°±»ù-N-(2-ÂÈ-6-¼×»ù±½»ù)àçßò-5-¼×õ£°·µÄÈÛµãÓëÎÄÏ×ÉÏ205¶È²»Ò»ÖÂ,Ö»ÓÐ176¶È×óÓÒ.  ÎÒÏëÊDz»ÊÇÔ­ÁÏÓÐÎÊÌâѽ!
Çë´ó¼ÒÖ¸µãһϰ¡
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

³¿³¿

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
³ÕÒÄ×ÓÆ¤: ½ð±Ò+1, 3Q£¬»¶Ó­³£À´Å¶¡£ 2012-12-05 08:22:25
×ö¸öÆ×ÑéÖ¤Ò»ÏÂÔ­ÁÏߣ¬ÕâÒ»²½¿Ï¶¨ÊÇÄÜ·´Ó¦µÄ£¬×îºÃÎÞË®
2Â¥2012-11-29 15:50:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

brucejao

Ìú³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
marktiger: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, лл²ÎÓ룬ÒÔºó¿ÉÒÔÑ¡ÔñÓ¦Öú»ØÌû£¬Ôö¼Ó×Ô¼ºµÄÓ¦ÖúÖ¸Êý¡£ 2012-12-04 13:00:18
³ÕÒÄ×ÓÆ¤: ½ð±Ò+1, 3Q£¬»¶Ó­³£À´Å¶¡£ 2012-12-05 08:22:08
Ô­ÁÏÎÊÌâ¡£
Õâ²½Ò»µãÎÊÌⶼûÓУ¬²»¹ý×îºÃ»»¸ö¼î£¬ÓÃÕâ¸öת»¯Âʲ»Ì«ºÃ¡£
3Â¥2012-12-04 12:39:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zxb1980083

Í­³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by brucejao at 2012-12-04 12:39:14
Ô­ÁÏÎÊÌâ¡£
Õâ²½Ò»µãÎÊÌⶼûÓУ¬²»¹ý×îºÃ»»¸ö¼î£¬ÓÃÕâ¸öת»¯Âʲ»Ì«ºÃ¡£

ÊǵÄ,¿Ï¶¨ÊÇÔ­ÁϵÄÎÊÌâÁË£¬´ïÉ³ÌæÄá×îºóÒ»²½·´Ó¦ÎÒ²»ÉÏßßົù£¬ÏëÉϲ®°·ÓëÂÈ·´Ó¦¡£ÓÃDMSO/K2CO3¼ÓÈȵ½100¶È¶¼Ã»Óз´Ó¦Å¶¡£
Èç¹ûÉÏßßàºÖÙ°·ÓÃÕâ¸öÌõ¼þÊǺÜÈÝÒ×¾ÍÉÏÈ¥µÄ°É£¿
ÎÒÊǵÚÒ»´Î×öÕâÀà·´Ó¦£¬ÏëºÍÄã½»Á÷һϡ£
4Â¥2012-12-04 16:13:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iphone6

Í­³æ (СÓÐÃûÆø)

Õâ¸öÏîÄ¿ÎÒÃÇ×öÍêÁË£¬ÄǸö¼î²»ÐС£
5Â¥2012-12-29 16:35:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liyi316

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by iphone6 at 2012-12-29 16:35:13
Õâ¸öÏîÄ¿ÎÒÃÇ×öÍêÁË£¬ÄǸö¼î²»ÐС£

ÄÇÓÃʲô¼îÄØ£¿ÎÒ×î½üÔÚ×ö4-ÂÈà×à¤Óë2-°±»ùàçßòµÄżÁª£¬ÊÔÁ˺öàÌõ¼þ¾ÍÊDz»·´Ó¦¡£°üÀ¨CuI´ß»¯£¬Pd´ß»¯¡£
6Â¥2012-12-30 13:22:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tongnoy

гæ (³õÈëÎÄ̳)

ÕâÒ»²½ÆäʵÊÇ×î¹Ø¼üµÄ£¬ÎÒÒѾ­¸ã¶¨ÁË
ҩѧר¼Ò
7Â¥2014-08-27 14:45:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lwgchem

гæ (³õÈëÎÄ̳)

Â¥ÉϵĸßÊÖ£ºÕâÁ½¸öÔ­ÁÏ×ö¿Ï¶¨Ã»ÓÐÎÊÌ⣿

ÄѵÀÒªÓÃNaH×ö¼î£¿

лл
8Â¥2015-04-22 08:29:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ldy85367996

ľ³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
5Â¥: Originally posted by iphone6 at 2012-12-29 16:35:13
Õâ¸öÏîÄ¿ÎÒÃÇ×öÍêÁË£¬ÄǸö¼î²»ÐС£

Âé·³ÎÊÏ  ÄãÃǵÄÔ­ÁϲÐÁôÈܼÁÔõô×öµ½ÏÞ¶ÈÒÔÄÚ£¬Ôõô±ÜÃâÐγÉÓлúÈܼÁºÏÎï»òÐγÉÈܼÁºÏÎïÈçºÎÈ¥³ý
ÖªµÀÏëÒªµÄ...
9Â¥2016-12-19 11:02:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ldy85367996

ľ³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
8Â¥: Originally posted by lwgchem at 2015-04-22 08:29:35
Â¥ÉϵĸßÊÖ£ºÕâÁ½¸öÔ­ÁÏ×ö¿Ï¶¨Ã»ÓÐÎÊÌ⣿

ÄѵÀÒªÓÃNaH×ö¼î£¿

лл

DIPEA
ÖªµÀÏëÒªµÄ...
10Â¥2016-12-19 11:03:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ zxb1980083 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +6 722865 2026-03-23 6/300 2026-03-24 20:58 by allen-yin
[¿¼ÑÐ] ²ÄÁÏѧ˶333Çóµ÷¼Á +3 ±±µÀÏï 2026-03-24 3/150 2026-03-24 19:17 by pswait
[¿¼ÑÐ] Çóµ÷¼Á +5 ÁÖ֮Ϧ 2026-03-24 5/250 2026-03-24 17:16 by dick_runner
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] 307Çóµ÷¼Á +5 ³¬¼¶ÒÁ°º´óÍõ 2026-03-24 5/250 2026-03-24 15:46 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] Çó²ÄÁÏ£¬»·¾³×¨Òµµ÷¼Á +3 18567500178 2026-03-18 3/150 2026-03-23 23:50 by ÈÈÇéɳĮ
[¿¼ÑÐ] 335·Ö | ²ÄÁÏÓ뻯¹¤×¨Ë¶ | GPA 4.07 | ÓпÆÑо­Àú +4 cccchenso 2026-03-23 4/200 2026-03-23 23:00 by Ðìckkk
[¿¼ÑÐ] ²ÄÁÏר˶ӢһÊý¶þ306 +8 z1z2z3879 2026-03-18 8/400 2026-03-23 20:49 by baobaoye
[¿¼ÑÐ] 336»¯¹¤µ÷¼Á +4 Íõ´ó̹1 2026-03-23 5/250 2026-03-23 18:32 by allen-yin
[¿¼ÑÐ] ±±¿Æ281ѧ˶²ÄÁÏÇóµ÷¼Á +8 tcxiaoxx 2026-03-20 9/450 2026-03-23 12:16 by tcxiaoxx
[¿¼ÑÐ] 291Çóµ÷¼Á +5 ‹üÈA 2026-03-22 5/250 2026-03-23 09:20 by haoshis
[¿¼ÑÐ] Ò»Ö¾Ô¸070300Õã´ó»¯Ñ§358·Ö£¬Çóµ÷¼Á£¡ +4 ËÖËÖÓã.. 2026-03-21 4/200 2026-03-23 08:12 by Iveryant
[¿¼ÑÐ] 285Çóµ÷¼Á +6 ytter 2026-03-22 6/300 2026-03-22 12:09 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«»ª´óѧ¿ØÖÆÑ§Ë¶320Çóµ÷¼Á +3 Grand777 2026-03-21 3/150 2026-03-21 19:23 by ¼òÖ®-
[¿¼ÑÐ] Çóµ÷¼Á +4 ÒªºÃºÃÎÞÁÄ 2026-03-21 4/200 2026-03-21 18:57 by ѧԱ8dgXkO
[¿¼ÑÐ] 336Çóµ÷¼Á +5 rmc8866 2026-03-21 5/250 2026-03-21 17:24 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ£¬080502£¬354·ÖÇóµ÷¼Á +5 ÊØºòϦÑôCF 2026-03-18 5/250 2026-03-21 01:06 by JourneyLucky
[¿¼ÑÐ] 22408 344·Ö Çóµ÷¼Á Ò»Ö¾Ô¸ »ªµç¼ÆËã»ú¼¼Êõ +4 solanXXX 2026-03-20 4/200 2026-03-20 23:49 by alg094825
[¿¼ÑÐ] 308Çóµ÷¼Á +3 °¢½ã°¢½ã¼Ò°¡ 2026-03-18 3/150 2026-03-20 23:24 by JourneyLucky
[¿¼ÑÐ] ÖÐÄÏ´óѧ»¯Ñ§Ñ§Ë¶337Çóµ÷¼Á +3 niko- 2026-03-19 6/300 2026-03-20 21:58 by luoyongfeng
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û