TWI293290B - - Google Patents

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TWI293290B
TWI293290B TW090126305A TW90126305A TWI293290B TW I293290 B TWI293290 B TW I293290B TW 090126305 A TW090126305 A TW 090126305A TW 90126305 A TW90126305 A TW 90126305A TW I293290 B TWI293290 B TW I293290B
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/38Separation; Purification; Stabilisation; Use of additives
    • C07C227/40Separation; Purification
    • C07C227/42Crystallisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00Preparation of carboxylic acid amides
    • C07C231/22Separation; Purification; Stabilisation; Use of additives
    • C07C231/24Separation; Purification
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/08Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

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  • Chemical & Material Sciences (AREA)
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  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Description

1293290 Α7 Β7 五、發明説明(1 ) 【發明背景】 本發明係有關爲糖尿病藥有用之拿貼利〔化合物名: N -(反式一 4 -異丙基環己烷羰基)一 D -苯基丙氨酸 〕之製造方法。更詳細爲,本發明係有關實質上不含有Η 型.結晶的拿貼利Β型結晶之製造方法。 拿貼利爲,藉由經口投與顯示有良好的降血糖作用, 爲糖尿病治療藥有用而被得知(特公平4 - 1 5 2 2 1號 公報)。 又,拿貼利具有多形結晶,其中Η型結晶因有用而被 得知。惟,爲離析Η型結晶,必須嚴密控制晶析條件,小 心進行晶析,有晶析操作困難的問題(參照特許第 2508949號公報)。 一方面,其他多形結晶之一的Β型結晶,藉由於晶析 時進行冷卻晶析,有容易製造的優點。惟,此Β型結晶於 製造階段有可能轉移成Η型結晶,事實上,以拿貼利的工 業規模進行製造時,判明所取得之Β型結晶中混入了 η型 結晶。爲醫藥品使用的拿貼利’理想爲儘可能避免多形結 晶的混入,因如果可能只以單一結晶形爲最佳,因此期待 開發出可提供只含有其Β型結晶之醫藥製劑,不混入結晶 多形的拿貼利Β型結晶之製造方法。 【發明開示】 本發明係提供無混入其他結晶形的Β型拿貼利結晶於 工業上之製造方法爲目的。 本紙張尺度適用中國國家標準(CNS ) Α4規格(210X297公釐) 1-----!1#! (請先閲讀背面之注意事項再填寫本頁) 、11 經濟部智慧財產局員工消費合作社印製 -4、 1293290 A7 __ B7 五、發明説明(2) 本發明者等以有效利用拿貼利B型結晶爲目的進行硏 究’藉由選擇於拿貼利的製造階段之條件,發現單一結晶 形的拿貼利B型結晶可以工業規模製造,進而完成本發明 〇 亦即,本發明係提供包含拿貼利的溶媒合物濕潤結晶 於低溫下乾燥至溶媒消失後,使結晶轉移,實質上不含有 Η型結晶的拿貼利B型結晶之製造方法。 本發明之理想係提供包含自含有拿貼利的溶液中,藉 由冷卻晶析,析出取得拿貼利水合物之溶媒合物,於溫度 5 0 °C以下,乾燥至溶媒消失,並且實質上溶媒合物不存 在後,包含加熱至6 0〜1 1 0 °C使結晶轉移至B型結晶 ,實質上不含有Η型結晶的拿貼利B型結晶之製造方法。 【爲實施發明之最佳形態】 使用於本發明之拿貼利的溶媒合物的濕潤結晶爲,甲 醇,乙醇或異丙醇等乙醇類,乙酸甲酯或乙酸乙酯等乙酸 酯類,或水的溶媒合物可被列舉出。拿貼利的溶媒合物的 濕潤結晶通常使甩乙醇混合物及水合物等。乙醇混合物的 場合,例如藉由使拿貼利的濃度成爲5重量%,加入至 6 0 %的乙醇水中,於3 0 °C左右溶解後,使此冷卻至 1 0 °C以下,即可進行調製。 其中,因水合物爲於拿貼利的乙醇溶液,理想爲乙醇 溶液中加入水,冷卻至1 〇 °C以下析出結晶,藉由分離此 而容易取得,因此較理想。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) I-----— If, (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局員工消費合作社印製 -5- 1293290 A7 B7 五、發明説明(3) 將所取得之溶媒合物的濕潤結晶乾燥至溶媒消失。此 時的溫度雖因附著於結晶上之溶媒種類及量而有所不同, 通常爲6 0 °C以下,理想爲5 0 °C以下。最低溫度雖無特 別指示,但從經濟的觀點看來,通常在2 0 °C以上進行。 乾燥通常於減壓下進行較理想,於工業上儘可能提高減壓 度,較能於短時間內完成乾燥。 於低溫之乾燥,實質上雖持續至溶媒消失,但並不需 至完全消失,即使殘存5重量%左右的溶媒,於結晶轉移 時也會消失,因此不會有問題。 所取得之乾燥結晶,藉由加熱至6 0〜1 1 0 °C,理 想爲7 0〜1 0 0 °C,使其轉移成B型結晶。結晶轉移通 常之理想爲進行0 · 5〜4 8小時,更理想爲1〜2 4小 .時。 B型結晶中的Η型結晶可藉由使用D S C分析。拿貼 利Β型結晶爲,以D S C測定時,Η型結晶爲不被檢測出 者較理想。 乾燥濕潤狀態的拿貼利溶媒合物結晶時,於實驗室規 模的小規模的場合,因分離結晶時的殘存溶媒量少,且又 達到乾燥器之最高減壓的速度快,於最初階段提高乾燥溫 度並無太大問題,但以工業規模,例如一次製造相當於5 k g以上的情況下,自晶析液中所分離出之結晶中所殘存 的溶媒量多,且又因乾燥時達到最高減壓度的時間相較之 下需時較長,藉由本發明之方法,可製造出不含有Η型結 晶之Β型結晶。 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) I-----丨丨丨参丨— (請先閲讀背面之注意事項再填寫本頁) 、1Τ 經濟部智慧財產局員工消費合作社印製 -6 - 1293290 A7 B7 五、發明説明(4) 以下,藉由實施例,進行本發明更具體之說明,惟本 發明並不被限定於此實施例。 實施例1 將拿貼利Η型結晶2 4 . 5 k g加入至乙醇3 6 0 L 中,於室溫下攪拌使其溶解。於此中加入水2 4 0 L,確 認溶解後冷卻至5 °C,更於5 t下使其熟成1小時。分離 所析出之結晶,得到濕結晶4.3 . 0 k g。使此於盤式乾 燥器中,以4 5 °C,乾燥2 4小時(水份含量約1 w t % ),更以9 0 °C加熱1 2小時使結晶轉移,得到乾燥結晶 1 3 · 3 k g。測定此結晶的D S C,因檢測出B型結晶 特有的峰値(熔點約1 3 0 °C ),但無檢測出Η型結晶特 有的峰値(熔點約1 3 9 °C ),得到所取得之結晶只有Β 型結晶,實質上不含有Η型結晶之結論。 比較例1 將拿貼利Η型結晶3 7 . 0 k g加入至乙醇5 4 0 L 中,於室溫下攪拌使其溶解。於此中加入水3 6 0 L,確 認溶解後冷卻至5 °C,更於5 °C下使其熟成1小時。分離 所析出之結晶’得到濕結晶4 6 · 7 k g。使此於錐形乾 燥器中,以3 〇 °C,乾燥3小時(水份含量約1 〇 w t % ),更以9 0 °C加熱1 2小時使結晶轉移,得到乾燥結晶 2 5 . 9 k g。測定此結晶的D S C,除B型結晶之外, 也觀察到Η型結晶的峰値。 本紙張尺度適财關家鮮(CNS ) Α4· ( 21GX297公釐)~' ' I-----111#! (請先閱讀背面之注意事項再填寫本頁) 、1Τ 經濟部智慧財產局員工消費合作社印製 -7 - 1293290 - A7 _—_ B7 ___ 五、發明説明(5) 比較例2 將拿貼利Η型結晶3 7 , 0 k g加入至乙醇5 4 0 L 中,於室溫下攪拌使其溶解。於此中加入水3 6 0 L,確 認溶解後冷卻至5 °C,更於5 °C下使其熟成1小時。分離 所析出之結晶,得到濕結晶4 4 · 5 k g。使此於錐形乾 燥器中,以3 0 °C,乾燥3小時(水份含量約1 0 w t % ),更以9 0 °C加熱15小時使結晶轉移,得到乾燥6型 結晶2 6 · 6 k g。測定此結晶的D S C,除B型結晶之 外,也觀察到Η型結晶的峰値。 藉由使用本發明之條件,可以工業規模製造出不存在 其他結晶形的拿貼利Β型結晶,可提供拿貼利Β型結晶爲 單一拿貼利結晶含有之便宜的醫藥製劑。 ΙΊ---------- (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局員工消費合作社印製 率 標 家 國 國 i中 一用 適 釐 π 9 2

Claims (1)

  1. A8 B8 C8 D8 1293290 六、申[範爆ϋ 第901 26305號專利申請案 中文申請專利範圍修正本 (請先閲·«背面之注意事項再填寫本頁) 民國96年2月14日修正 1 · 一種拿貼利Β型結晶之製造方法,其爲包含將拿 貼利的溶媒合物濕潤結晶於2 0〜6 0 t的低溫下乾燥至 溶媒爲5 w t %以下後,藉由於6 0〜1 1 〇 t:加熱使結 晶轉移至B型結晶者。 2 ·如申請專利範圍第1項之拿貼利B型結晶之製造 方法,其中該溶媒合物濕潤結晶爲水合物。 3 ·如申請專利範圍第1項之拿貼利B型結晶之製造 方法,其中拿貼利溶媒合物濕潤結晶的低溫乾燥與結晶轉 移的兩步驟爲以工業規模進行之步驟。 4 . 一種拿貼利B型結晶之製造方法,其係包含自含 有拿貼利的溶液中,藉由冷卻晶析,析出取得拿貼利水合 物之溶媒合物,於2 0〜6 0 °C的溫度以下,乾燥至溶媒 爲5 w t %以下,於6 0〜1 1 0 °C加熱使結晶轉移至B 型結晶者。 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 ) A4規格(210X297公釐)-1 -
TW090126305A 2000-10-24 2001-10-24 TWI293290B (zh)

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CN (1) CN100422143C (zh)
AT (1) ATE370115T1 (zh)
AU (1) AU2001296001A1 (zh)
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DE (1) DE60130014T2 (zh)
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ES (1) ES2288997T3 (zh)
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