引用

怎么论坛传不上图了！？？？

:(I have the same issue, and already pm mirna for this.

引用

原帖由 weiking 于 2006-8-31 10:44 发表
帮忙查个CAS编号

1－甲基－3－正丁基－环戊二烯
1-methyl-3-n-butyl-cyclopentadiene
如果能给出物性及原始参考文献更好。谢谢！

1,3-Cyclopentadiene, 3-butyl-1-methyl-
CAS:184687-62-5
Property Value Condition Note
Bioconcentration 1940 pH 1 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 2 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 3 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 4 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 5 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 6 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 7 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 8 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 9 (1)
Factor Temp: 25 癈
Bioconcentration 1940 pH 10 (1)
Factor Temp: 25 癈
Boiling Point 180.2?.0 癈 Press: 760 Torr (1)
Density 0.841?.06 g/cm3 Temp: 20 癈 (1)
Press: 760 Torr
Enthalpy of 39.94?.8 kJ/mol Press: 760 Torr (1)
Vaporization
Flash Point 47.7?3.0 癈 (1)
Freely Rotatable Bonds 3 (1)
H Acceptors 0 (1)
H Donors 0 (1)
H Donor/Acceptor Sum 0 (1)
Koc 7850 pH 1 (1)
Temp: 25 癈
Koc 7850 pH 2 (1)
Temp: 25 癈
Koc 7850 pH 3 (1)
Temp: 25 癈
Koc 7850 pH 4 (1)
Temp: 25 癈
Koc 7850 pH 5 (1)
Temp: 25 癈
Koc 7850 pH 6 (1)
Temp: 25 癈
Koc 7850 pH 7 (1)
Temp: 25 癈
Koc 7850 pH 8 (1)
Temp: 25 癈
Koc 7850 pH 9 (1)
Temp: 25 癈
Koc 7850 pH 10 (1)
Temp: 25 癈
logD 4.63 pH 1 (1)
Temp: 25 癈
logD 4.63 pH 2 (1)
Temp: 25 癈
logD 4.63 pH 3 (1)
Temp: 25 癈
logD 4.63 pH 4 (1)
Temp: 25 癈
logD 4.63 pH 5 (1)
Temp: 25 癈
logD 4.63 pH 6 (1)
Temp: 25 癈
logD 4.63 pH 7 (1)
Temp: 25 癈
logD 4.63 pH 8 (1)
Temp: 25 癈
logD 4.63 pH 9 (1)
Temp: 25 癈
logD 4.63 pH 10 (1)
Temp: 25 癈
logP 4.629?.215 Temp: 25 癈 (1)
Mass Intrinsic Solubility Sparingly Soluble Temp: 25 癈 (1)
(2.9E-3 g/L)
Mass Solubility Sparingly Soluble pH 1 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 2 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 3 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 4 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 5 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 6 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 7 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 8 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 9 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble pH 10 (1)
(2.9E-3 g/L) Temp: 25 癈
Mass Solubility Sparingly Soluble Unbuffered (1)
(2.9E-3 g/L) Water
pH 7.40
Temp: 25 癈
Molar Intrinsic Sparingly Soluble Temp: 25 癈 (1)
Solubility (2.1E-5 mol/L)
Molar Solubility Sparingly Soluble pH 1 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 2 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 3 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 4 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 5 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 6 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 7 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 8 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 9 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble pH 10 (1)
(2.1E-5 mol/L) Temp: 25 癈
Molar Solubility Sparingly Soluble Unbuffered (1)
(2.1E-5 mol/L) Water
pH 7.40
Temp: 25 癈
Molar Volume 161.8?.0 cm3/mol Temp: 20 癈 (1)
Press: 760 Torr
Molecular Weight 136.23 (1)
Polar Surface Area 0.00 A2 (1)
Vapor Pressure 1.23 Torr Temp: 25 癈 (1)

合成：
Lee, John Yuchu; Ao, Meng-Sheng; Belmont, Stephen Edward; Shepherd, Lawrence Henry, Jr. Process for converting exo-isomers of alkyl substituted cyclopentadienes to endo-isomers. Eur. Pat. Appl. (1996), 6 pp. CODEN: EPXXDW EP 739872 A1 19961030 CAN 126:31061 AN 1997:4086 CAPLUS

Lee, John Y.; Lin, Ronny W.; Owens, David W. Preparation of endo-alkylcyclopentadienes. PCT Int. Appl. (1998), 14 pp. CODEN: PIXXD2 WO 9815510 A1 19980416 CAN 128:282661 AN 1998:239181 CAPLUS

Yokoyama, Keiichi; Yoshikawa, Akira; Isoda, Yoichiro. Production method of alkyl substituted cyclopentadiene. Jpn. Kokai Tokkyo Koho (2000), 8 pp. CODEN: JKXXAF JP 2000256222 A2 20000919 CAN 133:238479 AN 2000:658050 CAPLUS

引用

原帖由 organic 于 2006-8-31 09:26 发表
我开个头 ^_^

flavone + determination或flavone + extraction
ca或Scifinder
2000-2006

谢谢!若合我的要求,我奉送2个威望

Scifinder
flavone + determination
flavone + extraction
2000-2006
http://free5.ys168.com/?tangyyer
help others目录下

引用

原帖由 tangyyer 于 2006-9-2 17:42 发表

Scifinder
flavone + determination
flavone + extraction
2000-2006
http://free5.ys168.com/?tangyyer
help others目录下

老大，tangyyer解决的如何？

引用

原帖由 tangyyer 于 2006-9-2 17:42 发表

Scifinder
flavone + determination
flavone + extraction
2000-2006
http://free5.ys168.com/?tangyyer
help others目录下

谢谢!请斑竹扣我两威望,送给tangyyer.:)

1. 检索目的：检索合成方法

2. 检索方式： SciFinder、and CA on CD and Beilstein

3. 提供的关键词 : Pyloricidin

4. 提供的化合物登记号：无

5. 提供的结构式：见附件

6. 提供的分子式：C15H22N2O7

7. 要求检索的年限：尽可能全

8. 求助者的电子邮件：shuaishuai0823@163.com

9. 求助者积分消费帖子thread链接：

引用

原帖由 shuaishuai0823 于 2006-9-18 17:26 发表
1. 检索目的：检索合成方法

2. 检索方式： SciFinder、and CA on CD and Beilstein

3. 提供的关键词 : Pyloricidin

4. 提供的化合物登记号：无

5. 提供的结构式：见附件

6. 提供的分子式：C15H22N ...

scifinder检索：
Registry Number: 219812-79-0
Formula: C15 H22 N2 O7
CA Index Name: Benzenepropanoic acid, b-[(5-amino-5-deoxy-L-galactonoyl)amino]-, (bS)- (9CI)
Other Names: Pyloricidin D

Tang, Chao-Jun; Shen, Xin; Wu, Yikang. Synthesis of An Advanced Precursor to the Amino Epimer of (+)-Pyloricidins. Monatshefte fuer Chemie (2003), 134(12), 1617-1622

Nagano, Yoichi; Ikedo, Koji; Fujishima, Akira; Izawa, Motowo; Tsubotani, Shigetoshi; Nishimura, Osamu; Fujino, Masahiko. Pyloricidins, novel anti-Helicobacter pylori antibiotics produced by Bacillus sp. II. Isolation and structure elucidation. Journal of Antibiotics (2001), 54(11), 934-947

Nakao, Masafumi; Miyagawa, Ken-Ichiro; Nakano, Yoshitaka; Sakane, Takeshi; Tada, Mayumi; Nishimura, Osamu; Fujino, Masahiko. Pyloricidins, novel anti-Helicobacter pylori antibiotics produced by Bacillus sp. I. Taxonomy, fermentation, and biological activity. Journal of Antibiotics (2001), 54(11), 926-933

Kamiyama, Keiji; Nishikimi, Yuji; Hasuoka, Atsushi; Nakao, Masafumi; Miyagawa, Ken-ichiro; Akiyama, Yohko. Preparation of polyol-amino acid compounds having activity against Helicobacter pylori. PCT Int. Appl. (2000), 91 pp. CODEN: PIXXD2 WO 2000040599

Miyagawa, Ken-ichiro; Tsubotani, Shigetoshi; Nakao, Masafumi; Nakano, Yoshitaka; Kamiyama, Keiji; Izawa, Motoo; Akiyama, Yohko; Nishikimi, Yuji. Preparation of polyol-amino acid compounds having activity against Helicobacter pylori. PCT Int. Appl. (1999), 178 pp. CODEN: PIXXD2 WO 9902549

有奖求助　，　５个威望！急

1. 检索目的：检索与之相关的化学反应

2. 检索方式： SciFinder、and CA on CD and Beilstein

3. 提供的关键词 : camphor imine of glycine ester
和 polyhydroxy-amino acid 这是两个关键词，分别搜索一下！

4. 提供的化合物登记号：无

5. 提供的结构式：见附件

6. 提供的分子式：

7. 要求检索的年限：2006-1980
8. 求助者的电子邮件：shuaishuai0823@163.com

[ 本帖最后由 shuaishuai0823 于 2006-9-20 11:21 编辑 ]

1. 检索目的：化学结构式和合成方法

2. 检索方式： SciFinder、and CA on CD and Beilstein

3. 提供的关键词 : dextomycin

4. 提供的化合物登记号：无

5. 要求检索的年限：全部
6 求助者的电子邮件：muyan01@st.lzu.edu.cn

[ 本帖最后由 jinyang 于 2006-9-20 15:55 编辑 ]

有奖求助　，　５个威望！急

1. 检索目的：检索与之相关的化学反应

2. 检索方式： SciFinder、and CA on CD and Beilstein

3. 提供的关键词 : camphor imine of glycine ester
和 polyhydroxy-amino acid 这是两个关键词，分别搜索一下！

4. 提供的化合物登记号：无

5. 提供的结构式：见附件

6. 提供的分子式：

7. 要求检索的年限：2006-1980
8. 求助者的电子邮件：shuaishuai0823@163.com

请查收邮件！我没有权限上传附件啊！