| ²é¿´: 144 | »Ø¸´: 1 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
linglin0409ͳæ (³õÈëÎÄ̳)
|
[½»Á÷]
·ÒëÒ»¶ÎÓ¢ÎÄÎÄÏ×£¬¼±£¡
|
||
|
3-[2-(9-Butyl-9H-purin-6-yl thio)ethyl]-l-methylurea (XII).Method D.¡ªA well stirred mixture of 9-butyl-9H-purine-6(lH)-th ione19 (10.0 g., 48.0 mmoles), potassium carbonate (6.9 g.,50 mmole), and N,N-dimethylformamide (70 ml.) was heated to80¡ã, and l-(2-chloroethyl)-3-methylurea (6.84 g., 50.0 mmoles)was added in small portions. After 2 hr. at 80-90¡ã, the mixture was cooled and diluted with water (250 ml.). The white solid that formed was washed with cold water and dried in vacuo at 100¡ã; vield of XII, 10.6 g. (72%); |
» ²ÂÄãϲ»¶
081700ѧ˶£¬323·Ö£¬Ò»Ö¾Ô¸Öйúº£Ñó´óѧÇóµ÷¼ÁѧУ
ÒѾÓÐ8È˻ظ´
283Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
²ÄÁϹ¤³Ì310ר˶µ÷¼Á
ÒѾÓÐ3È˻ظ´
Ò»Ö¾Ô¸±±¾©»¯¹¤085600 310·ÖÇóµ÷¼Á
ÒѾÓÐ10È˻ظ´
081700£¬311£¬Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
282Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸9²ÄÁÏѧ˶297ÒѹýÁù¼¶Çóµ÷¼ÁÍÆ¼ö
ÒѾÓÐ9È˻ظ´
278Çóµ÷¼Á
ÒѾÓÐ10È˻ظ´
301Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
085600£¬×¨Òµ¿Î»¯¹¤ÔÀí£¬321·ÖÇóµ÷¼Á
ÒѾÓÐ11È˻ظ´
zyy816
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 9698.1
- É¢½ð: 7
- ºì»¨: 2
- Ìû×Ó: 1987
- ÔÚÏß: 320.1Сʱ
- ³æºÅ: 162947
- ×¢²á: 2006-01-11
- רҵ: ÀíÂۺͼÆË㻯ѧ
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
linglin0409(½ð±Ò+2,VIP+0):лл 11-12 14:11
zap65535(½ð±Ò+6,VIP+0):²¹·¢£¬³£À´ 12-22 01:19
linglin0409(½ð±Ò+2,VIP+0):лл 11-12 14:11
zap65535(½ð±Ò+6,VIP+0):²¹·¢£¬³£À´ 12-22 01:19
| »¯ºÏÎïXIIÖÆ±¸·½·¨D-10.0g»¯ºÏÎï1£¬6.9g̼Ëá¼Ø£¬70ºÁÉýDMF½Á°è¼ÓÈȵ½80¶È£¬È»ºó6.84g»¯ºÏÎï2·Ö²½ÂýÂý¼ÓÈë¡£80-90¶È±£ÎÂ2СÊÔ£¬ÌåϵÀäÈ´µ½ÊÒΣ¬¼ÓË®250ºÁÉý¡£Ðγɵİ×É«¹ÌÌåÓÃÀäˮϴµÓ£¬100¶ÈÏÂÕæ¿Õºæ¸É£¬µÃµ½»¯ºÏÎïXII 10.6g£¬ÊÕÂÊ72% |
2Â¥2009-11-12 12:59:42














»Ø¸´´ËÂ¥