问题：奇怪，为什么这篇专利找不到？
类型：求助 (悬赏分:3分)
提问：kez
等级：▲▲▲
版块：文献检索技术、各类代理(wguoyong,wangjinyon,)
信誉：84%
回复：3
阅读：473
时间：2005-06-10 11:58:27 编辑加入/取消收藏订制/取消短消息举报该贴

我在CA里面找到这个东西，可是搜索WO2000009506却说没有结果。奇怪！

Preparation of imidazopyridine derivatives as TNF and IL-1 production
inhibitors.
Kato, Hideo; Sakaguchi, Jun; Aoyama, Makoto; Izumi, Tomoyuki; Kato,
Ken-ichi (Hokuriku Seiyaku Co., Ltd., Japan). PCT Int. Appl. WO
2000009506 A1 24 Feb 2000, 111 pp. DESIGNATED STATES: W:
AE, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CR, CU,
CZ, DE, DK, DM, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN,
IS, KE, KG, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN,
MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM,
TR, TT, UA, UG, US, UZ, VN, YU, ZA, ZW, AM, AZ, BY, KG, KZ, MD,
RU, TJ, TM; RW: AT, BE, BF, BJ, CF, CG, CH, CI, CM, CY, DE, DK,
ES, FI, FR, GA, GB, GR, IE, IT, LU, MC, ML, MR, NE, NL, PT, SE, SN,
TD, TG. (Japanese). (World Intellectual Property Organization).
CODEN: PIXXD2. CLASS: ICM: C07D471-04. ICS: C07D471-14;
C07D491-113; C07D495-14; A61K031-435; A61K031-47.
APPLICATION: WO 1999-JP4381 12 Aug 1999. PRIORITY: JP
1998-241062 12 Aug 1998; JP 1999-216125 30 Jul 1999.
DOCUMENT TYPE: Patent CA Section: 28 (Heterocyclic Compounds
(More Than One Hetero Atom)) Section cross-reference(s): 1
The title compds. I [A1 = (CH2)m; R1 is hydrogen, hydroxyl, alkyl,
cycloalkyl, styryl or aryl; R2 is hydrogen, alkyl, halogeno, hydroxyl, amino,
cyclic amino or phenoxy; ring A is an optionally substituted homocycle
or heterocycle; R3 is a satd. nitrogenous heterocyclic group; and m is
an integer of 0 to 3] are prepd. In an in vitro test using cells, the title
compd. II.CF3CO2H at 0.001 mmol gave 79% inhibition of TNF-a prodn.

回复人：lianghft,▲ () 时间：2005-06-11 14:34:13 编辑	1楼
你搜一下wo0009506就找到了，1H-IMIDAZOPYRIDINE DERIVATIVES。。。。 2000年以后的wo专利格式为WO03075629,即年代的后两位+专利编号，其中专利编码中第一个0有时可以省略。

回复人：Yan,★ (他山之石，可以攻玉) 时间：2005-06-12 08:54:06 编辑	2楼
我也发现了类似的问题，一并感谢lianghft兄了

回复人：就想歇会儿,▲ () 时间：2005-06-14 09:25:12 编辑	3楼
多试一试

得分人：lianghft-5,

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