TW498078B - Carbohydrate derivatives - Google Patents
Carbohydrate derivatives Download PDFInfo
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- TW498078B TW498078B TW086106674A TW86106674A TW498078B TW 498078 B TW498078 B TW 498078B TW 086106674 A TW086106674 A TW 086106674A TW 86106674 A TW86106674 A TW 86106674A TW 498078 B TW498078 B TW 498078B
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- 150000001719 carbohydrate derivatives Chemical class 0.000 title claims abstract description 18
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 10
- 210000000329 smooth muscle myocyte Anatomy 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims abstract description 4
- 230000004663 cell proliferation Effects 0.000 claims abstract description 3
- 230000002401 inhibitory effect Effects 0.000 claims abstract 4
- 238000011049 filling Methods 0.000 claims description 11
- 235000000346 sugar Nutrition 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 230000002079 cooperative effect Effects 0.000 claims description 6
- 208000007536 Thrombosis Diseases 0.000 claims description 4
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- 239000003814 drug Substances 0.000 claims 1
- 230000035755 proliferation Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 24
- 230000002785 anti-thrombosis Effects 0.000 abstract description 3
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 12
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Description
498078 A7 ___B7___ 五、發明説明(1 ) 本發明係關於具有抗血栓形成活性之糖類衍生物,含 其之藥學組成物,以及使用該糖類衍生物製造藥劑。 具有抗血栓形成活性的糖類衍生物爲已知,例如揭示 在EP 84,999的硫酸化葡萄糖胺聚合醣,揭示在 E P 529,71 5的其他與硫酸化蔔萄糖胺聚合醣相 關的糖類衍生物,具有改進的藥理性質,這些糖類衍生物 缺少葡萄糖胺聚合醣的特徵官能基,沒有羥基、N-硫酸 根及N -乙醯基。 本發明頃經發現式I的糖類衍生物, (請先閲讀背面之注意事項再填寫本頁)
經濟部中央標準局員工消費合作社印製 .其中R1爲Η或CH20S03-; R2與R3彼此獨立地 爲H、 (1 一 6C)烷基或S03_; R4爲OS〇3-或 NHS03-; η爲〇或1; p爲1或2;或其藥學上可被 接受的鹽類,其抗X a活性實質上高於在4 一位置的非還 原端不含類似甘油或類似乙二醇的糖類。 X a因子在血液凝固階段中扮演重要的角色,其.可催 化凝血酶的形成,凝血酶在凝固階段中可控制最後的階段 ,其主要功能是分解血纖維蛋白原而產生血纖維蛋白單體 ,經由交聯而形成不溶性膠體的血纖維蛋白凝塊。 本發明化合物可用於治療及預防凝血酶引起的疾病及 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 一 4 一 經濟部中央標準局員工消費合作社印製 498078 A7 _____Β7_ 五、發明説明(2 ) 與凝血酶相關的疾病,此包括數種形成血栓及凝固階段經 活化的形成血栓前的狀態,其中包括但不限定於靜脈深處 形成血栓、肺栓塞、血栓性靜脈炎、血栓形成或栓塞造成 的動脈閉塞、血管成形術或血管溶解過程中或過程後的動 脈再閉塞、動脈創傷或侵入性心臟手術後的再狹窄、手術 後的靜脈血栓形成或栓塞、極性或慢性動脈硬化、中風、 心肌梗塞、癌症及轉移、及神經變性的疾病,本發明的糖 類衍生物也可作爲平滑肌細胞增殖的抑制劑並供治療血管 形成、癌症及逆轉錄病毒例如HIV。 另外,本發明化合物也可作爲抗凝固劑及在例如滲析 及手術時需要的體外血液通路作爲抗凝固性塗膜使用。 根據本發明較佳的式I糖類衍生物是其中R 2爲(1 —6C)烷基,R3爲SO3-, R4爲〇S〇3-,且R1、 η及p相同於先前之定義,或其藥學上可被接受的鹽類。 •更佳的式I糖類衍生物是其中Ri爲甲基,特別適宜 的式I糖類衍生物是其中η爲1且ρ爲1,最佳的式I糖 類衍生物是其中R1爲C Η20 S 03_。 (1 一 6 C )烷基的稱呼係指含1至6個碳原子的直 鏈或枝鏈烷基,例如甲基、乙基、異丙基、第三丁基、異 戊基、己基等,較佳的烷基爲(1 一 4C)烷基,例.如甲 基、乙基、(異)丙基、正丁基及第三丁基,最佳的烷基 爲甲基。 與帶電部份互補的平衡離子爲藥學上可被接受的平衡 離子,例如氫,或更適宜爲鹼或鹼土金屬離子,例如鈉、 本紙張尺度適财關家標準(CNS ) Α4規格(21GX297公釐) ' ' 一 5 - ---------jg! (請先閲讀背面之注意事項再填寫本頁} 、11 498078 A7 B7 五、發明説明(3 ) 鈣或鎂。 製備根據本發明的糖類衍生物可藉由將經保護的類似 甘油或類似乙二醇的部份偶合至另一個經保護的四糖類非 還原端的4-羥基,該四糖類可根據ffesterduin P., Bioorg.及 Med. Chem., 2_, 1 2 67- 1 280, 1 9 94 揭示的方法 製備,然後將保護基去除,將化合物硫酸化後,得到式I 的糖類衍生物。 經濟部中央標準局員工消費合作社印製 (請先閲讀背面之注意事項再填寫本頁) 對於治療靜脈血栓形成或抑制平滑肌細胞增殖,本發 明化合物可經由腸道或不經腸道用藥,且對於人體的較佳 每日劑量爲每公斤體重0·001-10毫克,混合藥學 上合適的輔劑例如揭示在標準參考文獻Gennaro et al., Remington’s Pharmaceutical Sciences, (18th ed., Mack Publishing Company, 1 9 9 0,尤其是參見 Part 8: Pharmaceutical Preparations and Their Manufacture ),·本化合物當口服、口含或舌下活性時,可壓製成固體 劑量單位,例如丸劑、片劑,或製成膠囊或栓劑,對於藥 學上合適的液體,本化合物也可以溶液、懸浮液、乳液的 形式作爲注射製劑使用,或作爲噴霧劑使用例如鼻用噴霧 劑。 對於製備劑量單位,例如片劑,可以使用習知的.添加 劑例如填充劑、染料、聚合性黏合劑等,一般而言可以使 用不會干擾活性化合物功能的任何藥學上可被接受的添加 劑,可和組成物用藥的合適載劑包括使用合適劑量的乳糖 、澱粉、纖維素衍生物等或其混合物。 本紙張尺度適用中國國家標準(CNS ) A4規格(21〇Χ297公釐) ~ -6 - 498078 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(4 ) 本發明可用下列實例進一步說明。 (在實例中可參見流程圖1與2,中間物及最終產物 的表示可參見流程圖中相對應的編號) 眚例1 製備化合物7及8 製備化合物2 在2 —笮氧基乙醇1 (2 · 84毫升)及氯甲基甲基 硫醚(1 · 59毫升)在乙二醇二甲醚(25毫升)的冷 卻(0°C)溶液中,在氮氣壓下加入6 0%懸浮在礦物油 的氫化鈉(1 · 2克),使混合物在室溫下攪拌2 〇小時 ,在反應混合物中加入甲醇並持續攪拌15分鐘,用醋酸 乙酯(1 0 0毫升)稀釋混合物,隨後用碳酸氫鈉水溶液 及水清洗,有機層經由硫酸鎂乾燥並在真空下濃縮,用矽 膠管柱層析法純化粗產物後得到2 . 5克化合物2。 製備化合物3 化合物3的合成經揭示在Bioorganic and Medicinal Chem i stry, vol 2, no. 11,pp 1267-1280, 1 9 9 4 (P.
Westerduinetal·)。 製備化合物4 將化合物3 (12 5毫克)、化合物(64毫克)及 粉狀分子篩(4埃)在二氯甲烷(1 · 5毫升)中的混合 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) 一 7 一 (請先閱讀背面之注意事項再填寫本頁) -、v一口 498078 附件一 Λ :第86106674號專利申請霧 中文說明書修正頁民國89年6月I似b ‘ ! 五、發明說明(5) ’ 物在氮氣壓下攪拌1 5分鐘,使溶液冷卻(5 °C)並加入 含N -碘化琥珀醯亞胺(6 8毫克)及三氟甲基磺酸( (請先閱讀背面之注意事項再填寫本頁) 2 · 7微升)在1 · 5毫升1 ,2 —二氯乙烷一二曙烷( 1/1,體積/體積)的新鮮製備溶液,經1〇分鐘後過 濾紅色的反應混合物,用二氯甲烷稀釋,依序用硫代硫酸 鈉水溶液及碳酸氫鈉水溶液清洗,有機層經由硫酸鎂乾燥 並在真空下濃縮,在懸浮於二氯甲烷一甲醇(2/1 ,體 積/體積)的Sephadex L H - 2 0上用大小排除層析法 純化殘留物,得到1 0 8毫克化合物4。 製備化合物5 在化合物4 (105毫克)在四氫呋喃(7 · 3毫升 )的冷卻(一 5 °C )溶液中,加入3 0 %過氧化氫水溶液 (3 · 8毫升),攪拌10分鐘後,加入氫氧化鋰溶液( 1.25莫耳濃度,1·7毫升),使混合物在一 5°C下 攪拌2小時,然後使溫度上升至01,經20小時的攪拌 後使溫度上升至2 0 °C並繼續攪拌2 4小時,將反應混合 物冷卻(0°C),隨後加入甲醇(7 · 0毫升)及氫氧化 鈉水溶液(4莫耳濃度,2 · 0毫升),攪拌1小時後, 再度使溫度上升至20 °C並繼續攪拌20小時,將混合物 冷卻(0 °C ),用氫氯酸(2當量濃度)酸化成p Η 3並 用二氯甲烷萃取,有機層用亞硫酸鈉水溶液(5%)清洗 ,經由硫酸鎂乾燥並在真空下濃縮,用矽膠管柱層析法純 化粗產物後得到8 0毫克化合物5。 本紙張尺度適用中國國家標準(CNS)A4規格(210 x 297公釐)- 8 - 498078 A7 _______B7 五、發明説明(6 ) 製備化合物Θ 在化合物5 (80毫克)在水(7毫升)與2 -甲基 一 2-丙醇(7毫升)的溶液中,加入80毫克Pd/C (10%),將反應混合物放置在氫氣壓下16小時,用 過濾法將觸媒移除,並用2-甲基-2—丙醇/水的混合 物清洗,在真空下濃縮過濾液及清洗液,冷凍乾燥後得到 3 8毫克化合物6。 製備化合物7及8 經濟部中央標隼局員工消費合作社印製 (請先閲讀背面之注意事項再填寫本頁) 在Dowex 5 0WX8H+管柱中用水溶離化合物6 ( 38毫克)在水(0 · 8毫升)的溶液,將收集的溶離液 蒸乾,用Ν ',N -二甲基甲醯胺蒸發後,將殘留物溶解在 N,N—二甲基甲醯胺(2 · 5毫升),放置在氮氣壓下 並加入三乙胺硫三氧化物複合物(2 8 7毫克),使混合 物在5 0 °C下攪拌過夜,冷卻至〇 °C並加入碳酸氫鈉水溶 液(5 3 3毫克使混合物在2 0 °C下攪拌1小時,濃 縮成少量體積並在懸浮於水:乙腈9:1(體積/體積) 的SephadexG—2 5管柱中脫鹽,粗產物在Dowex5 0 WX 8 N a+管柱中溶離,用離子交換管柱層析法純化( HPLC,Mono - Q5/5,氯化鈉梯度),得到 12 毫克化合物 7, {[aU° = +31 · 1 (c = l;水 )}及18毫克化合物8,丨1>]?>。= 34 · 8 (c = 0 · 9 3 ;水)卜 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 經濟部中央標準局員工消費合作社印製 498078 A7 _______B7_ 五、發明説明(7 ) 實例2 製備化合物1 製備化合物1 0 將苯甲醯基氯(26 · 3毫升)在無水二噚烷(26 毫升)的溶液在1小時內逐滴添加至甘油(1 0克)及吡 啶(109毫升)的冷卻(一 20 t)混合物中,在0°C 下攪拌所得的混合物1 6小時,然後加入水,攪拌1 5分 鐘後,將混合物濃縮至五分之一的體積,用二氯甲烷稀釋 並依序用水、碳酸氫鈉水溶液及水清洗,有機層經由硫酸 鎂乾燥並在真空下濃縮,用矽膠管柱層析法純化所得的油 而得到2 1克化合物1 〇。 製備化合物1 1 •將二甲硫(1 · 45毫升)添加至化合物10 ( 600毫克)在乙腈:二氯甲烷(1 : 1 ,體積/體積, 8毫升)的溶液中,將混合物冷卻至〇 °C並逐滴加入無水 過氧化苯甲醯(3 · 63克)在乙腈··二氯甲烷(1 ·· 1 ’體積/體積,10毫升)的混合物,在20 °C下攪拌 1 6小時後,用二氯甲烷稀釋混合物並依序用碳酸氫.鈉水 溶液及水清洗,有機層經由硫酸鎂乾燥並在真空下濃縮, 用矽膠管柱層析法純化所得的油而分離出4 0 0毫克化合 物1 1。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) " 一 10 - (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部中央標準局員工消費合作社印製 498078 A7 __B7 五、發明説明(8 ) 製備化合物1 2 nal Chemistry 1994, vol 2, no 11, pp.1267-1280揭7K 的步驟製備化洽物1 2。 在得到化合物1 2的反應步驟中,用笮基代替甲基來 保護糖醛酸。 製備化合物1 3 類似於化合物4的方法,將化合物1 1偶合至化合物 1 2而製備化合物1 3。 製備化合物14 將碳酸氫鈉(1 4 2毫克)在水(2毫升)及P d/ C (4 00毫克)的懸浮液添加至化合物1 3 (480毫 克)在2 —甲基一 2 —丙醇(60毫升)的溶液中,將混 合物放在氫氣壓下1 6小時,經由過濾將觸媒移除,並用 2—甲基-2-丙醇/水的混合物清洗,合併的過濾液及 清洗液在真空下濃縮後得到315毫克化合物14,不再 純化而直接使用。 製備化合物1 5 將化合物14 (3 15毫克)溶解在0 · 35當量濃 度氫氧化鈉水溶液(1 0毫升),將反應混合物攪拌過夜 ,然後用1當量濃度氫氯酸將PH調整成8 · 5,用懸浮 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) I -「I m —ί ! = = -- - - ---I- I (請先閱讀背面之注意事項再填寫本頁) 訂 -11 - 498078 經濟部中央標準局員工消費合作社印製 A7 __B7 五、發明説明(9 ) 在水··乙腈:三乙胺90 ·· 10 : 0 . 1 (體積/體積/ 體積)的360以(16\〇-2 5管柱將混合物脫鹽化,收集 適當的溶離份並在真空下濃縮,類似於化合物14揭示的 方法再度使產物氫解,經處理及將過濾液濃縮及清洗後, 用懸浮在水:乙睛:三乙胺90 : 10 : 0 · 1 (體積/ 體積/體積)的Sephadex G — 25管柱將混合物脫鹽化 ,收集適當的溶離份並在真空下濃縮,用水在Dowex 5 0 WX 8 N a+管柱上溶離,最後經冷凍乾燥後得到16 5 毫克化合物1 5 〇 製備化合物1 6 將化合物15 (165毫克)的溶液用N,N —二甲 基甲醯胺蒸發後,溶解在N,N —二甲基甲醯胺( 1 1 · 0毫升),在反應混合物中加入三乙胺硫三氧化物 複合物(1 . 31克),在50 °C下攪拌16小時後,將 混合物冷卻(0°C)並加入碳酸氫鈉水溶液(2 · 43克 )並在2 0 °C下攪拌1小時,然後在真空下濃縮,用懸浮 於水··乙 9 : 1 (體積/體積)的Sephadex G - 2 5 管柱將殘留物脫鹽,收集適當的溶離份並在真空下濃縮, 在Dowex 5 0WX 8 N a +管柱上溶離後,用氯化鈉梯度 在Q — Sepharose High Load管柱上純化產物,得到 160 毫克化合物 16»{[>U° = + 24 · 0 (c = 0 · 7 7 ;水)}。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) 訂 -12 - 498078 f . A7 _ B7_ 五、發明說明(10) 圖示簡要說明 圖1係是製備式I化合物之流程圖 圖2係是製備式I化合物之流程圖 (請先閱讀背面之注意事項再填寫本頁) 裝 訂: i 本紙張尺度適用中國國家標準(CNS)A4規格(210x 297公釐)- 13 -
Claims (1)
- 498078 k告本I丨· nf:;: 六、申請專利範圍 附件二Λ (請先閱讀背面之注意事項再填寫本頁} 第861G 6 6 74號專利申請案 中文申請專利範圍修正本 民國89年6月修正 1 .式I的糖類衍生物其中R1爲Η或CH2〇S03-; R2與R3彼此獨立地爲H、 (1一6(:)烷基或 S 0 3一; R 4爲 0 S 〇 3- ; η爲0或1 ; Ρ爲1或2 ; 經濟部智慧財產局員工消費合作社印製 或其藥學上可被接受的鹽類。 2 .如申請專利範圍第1項之糖類衍生物,其中R2 爲(1-6C)烷基,R3爲S03_, R4爲〇S03_,且 R1、η及ρ相同於先前之定義。 3 ·如申請專利範圍第2項之糖類衍生物,其中R2 爲甲基。 4 ·如申請專利範圍第2或3項之糖類衍生物,其中 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐)— '一 498078 A8 B8 C8 D8 々、申請專利範圍 η爲1且p爲1。 5·如申請專利範圍第2項之糖類衍生物,其中R1 爲 C Η2Ο s 〇3。 6·—種用於治療或預防血栓形成或抑制平滑肌細胞 增殖之藥學組成物,其中含充當活性成份之申請專利範圍 第1項之糖類衍生物及藥學上合適的輔劑。 7.如申請專利範圍第1項之糖類衍生物> 係用於 治療或預防血栓形成或抑制平滑肌細胞增殖。 8 .如申請專利範圍第1項之糖類衍生物,係供製造 藥劑使用,供治療或預防血栓形成或抑制平滑肌細胞增殖 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) _ 2 -
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|---|---|---|---|
| EP96201267 | 1996-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW498078B true TW498078B (en) | 2002-08-11 |
Family
ID=8223964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW086106674A TW498078B (en) | 1996-05-08 | 1997-05-19 | Carbohydrate derivatives |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US5872110A (zh) |
| EP (1) | EP0818459B1 (zh) |
| JP (1) | JP4201360B2 (zh) |
| KR (1) | KR100443802B1 (zh) |
| CN (1) | CN1115345C (zh) |
| AR (1) | AR007052A1 (zh) |
| AT (1) | ATE215547T1 (zh) |
| AU (1) | AU711630B2 (zh) |
| BR (1) | BRPI9703099B8 (zh) |
| CA (1) | CA2204204C (zh) |
| CZ (1) | CZ292439B6 (zh) |
| DE (1) | DE69711505T2 (zh) |
| DK (1) | DK0818459T3 (zh) |
| ES (1) | ES2176609T3 (zh) |
| HU (1) | HU226370B1 (zh) |
| ID (1) | ID17932A (zh) |
| IL (1) | IL120722A (zh) |
| NO (1) | NO308251B1 (zh) |
| NZ (1) | NZ314745A (zh) |
| PL (1) | PL183469B1 (zh) |
| PT (1) | PT818459E (zh) |
| RU (1) | RU2183638C2 (zh) |
| SG (2) | SG55310A1 (zh) |
| TR (1) | TR199700354A3 (zh) |
| TW (1) | TW498078B (zh) |
| ZA (1) | ZA973892B (zh) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69832066T2 (de) * | 1997-05-27 | 2006-07-13 | Sanofi-Aventis | Verwendung eines oligosaccharids zur vorbeugung von blutgerinnung in extrakorporalen kreisläufen |
| ATE405580T1 (de) * | 1998-06-17 | 2008-09-15 | Organon Nv | Antithrombotische verbindungen |
| NZ516229A (en) * | 1999-06-30 | 2004-08-27 | Hamilton Civic Hospitals Res | Heparin compositions that inhibit clot associated coagulation factors |
| WO2001034114A1 (en) * | 1999-11-12 | 2001-05-17 | Emisphere Technologies, Inc. | Liquid heparin formulation |
| US8600783B2 (en) * | 2000-08-18 | 2013-12-03 | The Crawford Group, Inc. | Business to business computer system for communicating and processing rental car reservations using web services |
| KR20030069990A (ko) * | 2000-09-08 | 2003-08-27 | 해밀톤 시빅 호스피탈즈 리서치 디벨로프먼트 인코포레이티드 | 항혈전 조성물 |
| TWI426080B (zh) * | 2004-03-04 | 2014-02-11 | Progen Pharmaceuticals Ltd | 硫酸化寡醣衍生物 |
| JP5164572B2 (ja) * | 2004-08-05 | 2013-03-21 | アイバックス ドラッグ リサーチ インスティテュート エルティーディー. | 多硫酸化グリコシド及びその塩 |
| RU2430729C2 (ru) * | 2009-05-13 | 2011-10-10 | Учреждение Российской академии наук Институт химии Коми научного центра Уральского отделения РАН | Получение полифункциональных сульфатированных производных на основе порошковой целлюлозы, обладающих антикоагулянтной активностью |
| CN109134554B (zh) * | 2017-06-15 | 2021-09-28 | 南京正大天晴制药有限公司 | 抗凝血的五糖类化合物及其制备方法和医药用途 |
| CN109134553B (zh) * | 2017-06-15 | 2021-09-28 | 南京正大天晴制药有限公司 | 抗凝血的五糖类化合物及其制备方法和医药用途 |
| CN109134555B (zh) * | 2017-06-15 | 2021-09-28 | 南京正大天晴制药有限公司 | 抗凝血的五糖类化合物及其制备方法和医药用途 |
| CN111057115B (zh) * | 2019-12-17 | 2022-03-22 | 广东海洋大学 | 一种从贵妃蚌中提取的抗血栓类肝素及其制备方法和应用 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0300099A1 (en) * | 1987-07-20 | 1989-01-25 | Akzo N.V. | New pentasaccharides |
| EP0347964A1 (en) * | 1988-06-21 | 1989-12-27 | Akzo N.V. | New oligosaccharides with internal spacer |
| DE69100275T2 (de) * | 1990-04-23 | 1993-12-02 | Akzo Nv | Eine Trisaccharideinheit enthaltende Kohlenhydratderivate. |
| US5378829A (en) * | 1990-04-23 | 1995-01-03 | Akzo N.V. | Sulfated glycosaminoglycanoid derivatives of the heparin and heparan sulfate type |
| US5707973A (en) * | 1991-04-23 | 1998-01-13 | Rhone-Poulenc Rorer S.A. | Sulfated polysaccharids for treatment or prevention of thromboses |
| IL102758A (en) * | 1991-08-23 | 1997-03-18 | Akzo Nv | Glycosaminoglycanoid derivatives, their preparation and pharmaceutical compositions comprising them |
| FR2704226B1 (fr) * | 1993-04-22 | 1995-07-21 | Sanofi Elf | 3-desoxy oligosaccharides, leurs procedes de preparation et les compositions pharmaceutiques qui les contiennent. |
-
1997
- 1997-04-24 IL IL12072297A patent/IL120722A/xx not_active IP Right Cessation
- 1997-04-30 US US08/876,107 patent/US5872110A/en not_active Expired - Lifetime
- 1997-05-01 CA CA002204204A patent/CA2204204C/en not_active Expired - Lifetime
- 1997-05-02 AT AT97201332T patent/ATE215547T1/de active
- 1997-05-02 ES ES97201332T patent/ES2176609T3/es not_active Expired - Lifetime
- 1997-05-02 EP EP97201332A patent/EP0818459B1/en not_active Expired - Lifetime
- 1997-05-02 PT PT97201332T patent/PT818459E/pt unknown
- 1997-05-02 DE DE69711505T patent/DE69711505T2/de not_active Expired - Lifetime
- 1997-05-02 DK DK97201332T patent/DK0818459T3/da active
- 1997-05-06 NZ NZ314745A patent/NZ314745A/en not_active IP Right Cessation
- 1997-05-06 HU HU9700852A patent/HU226370B1/hu unknown
- 1997-05-06 AU AU20086/97A patent/AU711630B2/en not_active Expired
- 1997-05-06 ZA ZA973892A patent/ZA973892B/xx unknown
- 1997-05-07 SG SG1997001403A patent/SG55310A1/en unknown
- 1997-05-07 CZ CZ19971386A patent/CZ292439B6/cs not_active IP Right Cessation
- 1997-05-07 RU RU97107418/04A patent/RU2183638C2/ru active
- 1997-05-07 CN CN97111112A patent/CN1115345C/zh not_active Expired - Lifetime
- 1997-05-07 ID IDP971528A patent/ID17932A/id unknown
- 1997-05-07 KR KR1019970017376A patent/KR100443802B1/ko not_active Expired - Lifetime
- 1997-05-07 NO NO972120A patent/NO308251B1/no not_active IP Right Cessation
- 1997-05-07 JP JP11685097A patent/JP4201360B2/ja not_active Expired - Lifetime
- 1997-05-07 PL PL97319843A patent/PL183469B1/pl unknown
- 1997-05-08 TR TR97/00354A patent/TR199700354A3/tr unknown
- 1997-05-08 BR BRPI9703099 patent/BRPI9703099B8/pt not_active IP Right Cessation
- 1997-05-08 AR ARP970101915A patent/AR007052A1/es active IP Right Grant
- 1997-05-19 TW TW086106674A patent/TW498078B/zh not_active IP Right Cessation
- 1997-05-27 SG SG1997001743A patent/SG46779A1/en unknown
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