JP3779682B2 - 5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンの酒石酸塩及びその医薬組成物 - Google Patents
5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンの酒石酸塩及びその医薬組成物 Download PDFInfo
- Publication number
- JP3779682B2 JP3779682B2 JP2002589006A JP2002589006A JP3779682B2 JP 3779682 B2 JP3779682 B2 JP 3779682B2 JP 2002589006 A JP2002589006 A JP 2002589006A JP 2002589006 A JP2002589006 A JP 2002589006A JP 3779682 B2 JP3779682 B2 JP 3779682B2
- Authority
- JP
- Japan
- Prior art keywords
- tartrate
- hexadeca
- pentane
- tartaric acid
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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Description
本発明は5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンの酒石酸塩に関する。本発明に係る酒石酸塩はL−酒石酸、D−酒石酸、D,L−酒石酸及びメソ−酒石酸塩を含む。
L−酒石酸結晶A形は、それが1分当たり5ディグリーの加熱速度でディファレンシャルスキャニングカロリメトリーにより計測されるとき約223℃で融解の開始を有することで特徴付けられる。上記L−酒石酸A形は固体状態13C NMRクロス−ポーラリゼーションマジックアングルスパイニング技術により調べられるとき、それが100ppmから下野の以下の主要共鳴ピーク(±0.1ppm)を示すことにおいて特徴付けられる(adamantane標準29.5ppm):178.4、149.3、147.4、145.1、及び122.9ppm。
上記D,L−酒石酸Y形は銅放射で計測されるとき2θ及びd−スペーシングとして表される以下の主要x線回折パターンピーク:
(i)好適な溶媒中の5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンを1〜2当量のL−酒石酸と接触させる;及び
(ii)形成される結晶を回収する
の段階を含む5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩のA形の製造方法に関する。
(i)好適な溶媒中の5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンを約1〜約2.3当量のL−酒石酸と接触させる;及び
(ii)形成される結晶を回収する
の段階を含む5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩のB形の製造方法に関する。
(i)5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩のA形又はB形のいずれかを水と接触させる;及び
(ii)形成される結晶を回収する
の段階を含む、5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩のC形の製造方法に関する。
(i)好適な溶媒中の5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンを約1〜約2.3当量のD,L−酒石酸と接触させる;及び
(ii)形成される結晶を回収する
の段階を含む、5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンのD,L−酒石酸塩のX形の製造方法に関する。
(i)好適な溶媒中の5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンを約1〜約2.3当量のD,L−酒石酸と接触させる;及び
(ii)形成される結晶を回収する
の段階を含む。
上記化合物、5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンは、特に、ニコチン依存、嗜癖及び離脱を含むいくつかのCNS疾患、障害及び状態の治療のためのニコチン部分アゴニストである。
5,8,14−トリアザテトラ−シクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩のA、B及びC形の上記固体状態熱動態はディファレンシャルスキャニングカロリメトリー(DSC)により調査された。A、B及びC形についてのトレースはそれぞれ、図9A、9B及び9Cにおいて示される。上記DSCサーモグラムはMettler Toledo DSCe 821e (STAR System)上で得られた。一般的に、1〜10mgのサンプルが小さな穴を有する波形のアルミニウム鍋中に調製された。上記計測は30〜300℃の範囲で1分間当たり5℃の加熱速度で行われた。
上記L−酒石酸塩のA、B及びC形についての粉末X線回折パターンは、銅放射(CuKα)、固定したスリット(1.0、1.0、0.6mm)、及びKevex固体状態検出器で装備したBruker D5000 diffractometer(Bruker AXS, Madison, Wisconsin)を用いて回収された。データを0.04ディグリーのステップサイズ及び1.0秒のステップ時間を用いて2シータ(2θ)で3.0〜40.0ディグリー回収した。
上記L−酒石酸塩B及びC形についての単結晶が得られ、そしてX線回折により調査された。それぞれの形について、代表的な結晶が測量され、そして1Åデータセット(最高 sin θ/λ=0.5)がSiemens R4RA/vディフラクトメーター上に回収された。原子スキャニング因子はInternational Tables for X−Ray Crystallography, Vol.IV, pp.55.99及び149(Birmingham:Kynoch Press, 1974)から取られた。単結晶X線データは室温で回収された。全ての結晶学的計算はSHELXTL(商標)system(SHELXTL(商標)Reference Manual, Version 5.1, Bruker AXS, Madison, WI 1997)により促進された。適切な結晶データ回収及び改良はB形については以下の表XI中に及びC形については以下の表XII中に要約される。
観察されたB形粉末パターン及び計算されたパターン結果の比較は図5Aの重ね合わせた粉末X線回折パターン中に示される。下側のパターントレースは(単結晶結果からの)計算された粉末パターンに対応し、及び上側のパターンは代表的な実験粉末パターンに対応する。2のパターンの間の一般的な適合は粉末サンプル及び上記対応する単結晶構造の間の一致を示す。
5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩のA、B及びC形は固体状態NMR技術により特徴付けられた。約300mgのサンプルは7mmのZrOスピナー中にきつく詰められた。上記13Cスペクトルをwide−bore Bruker Avance DRX 500 MHz NMRスペクトロメーター中に位置づけられたBruker 7mm WB MASプローブ上で295Kでクロス−ポーラリゼーションマジックアングルスパイニング(CPMAS)を用いて回収した。
以下の実施例は本発明に係る方法及び化合物を例示する。しかしながら、本発明は特定の実施例に限定されないことが理解されるであろう。
5,8,14−トリアザテトラシクロ[10.3.1.0 2,11 .0 4,9 ]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩(無水物同質異像、B形)
5,8,14−トリアザテトラシクロ[10.3.1.0 2,11 .0 4,9 ]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩(無水物同質異像、A形)
リアクターを5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタン遊離塩基(2g;0.0095モル、1.0当量)及びメタノール(60mL、30mL/g)でチャージした。上記混合物を20〜25℃で完全に溶解するまで攪拌した。メタノール(60mL、30mL/g)中に溶解したL−酒石酸(1.55g、0.0103モル、1.1当量)の溶液を含む第二のリアクターをメタノール還流(すなわち、60〜68℃)まで熱した。上記遊離塩基溶液をメタノールの還流温度で20分間にわたりL−酒石酸溶液に添加した。生ずるスラリーを20〜25℃まで1時間にわたり冷却した。上記反応混合物を約2時間攪拌させ、続いてろ過により上記生成物を単離した。上記固体生成物をメタノール(10mL)で洗浄し、その後、30〜35℃で吸引下で乾燥させ、3.3グラム(97%)の5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタンL−酒石酸A形を得た。A形としての同一性は標準のサンプルと比較してPXRDにより決定された。
5,8,14−トリアザテトラシクロ[10.3.1.0 2,11 .0 4,9 ]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩C形(C形)
A形又はB形からのCP−526.555−18C形の調製:
L−酒石酸B形(−5g)を水(10〜15ml)中に溶解した。アセトニトリル(200〜300ml)を添加し、そしてC形は白色沈殿物として形成された。上記生ずるスラリーを10分間攪拌させ、その後ろ過した。上記湿ったケークをその後風乾させた。生成物はNIRスペクトロスコピー、DSC及びPXRD分析によりC形であると決定された。この手順はA形についてC形を産出するために行われうる。
5,8,14−トリアザテトラシクロ[10.3.1.0 2,11 .0 4,9 ]−ヘキサデカ−2(11),3,5,7,9−ペンタンのL−酒石酸塩A形(A形)
CからのA形の調製:L−酒石酸塩C形(〜2g)を200〜300mLの熱いエタノール(−75℃)に添加し、そして30分間攪拌させた。上記サンプルを熱いままろ過し、そしてその後45℃の吸引オーブン(室内吸引)内で乾燥させた。上記物質はNIRスペクトロスコピー、DSC、及びPXRD分析によりA形であることが決定された。
Claims (12)
- 5,8,14−トリアザテトラシクロ[10.3.1.02,11.04,9]−ヘキサデカ−2(11),3,5,7,9−ペンタエンの酒石酸塩。
- L−酒石酸塩であり、かつ、無水物である、請求項1に記載の化合物。
- 銅放射で計測されるとき2θとして表される6.1、16.8及び21.9から選ばれる粉末x線回折パターンピークの少なくとも1により実質的に特徴付けられる、請求項2に記載の化合物。
- 178.4、145.1及び122.9ppmにおける固体状態13C NMR共鳴ピークにより実質的に特徴付けられる、請求項3に記載の化合物。
- 銅放射で計測される2θとして表される5.9及び21.8から選ばれる粉末x線回折パターンピークの少なくとも1により実質的に特徴付けられる、請求項2に記載の化合物。
- 179.2、178.0、144.4、124.8及び122.5ppmにおける固体状態13C NMR主要共鳴ピークにより実質的に特徴付けられる、請求項6に記載の化合物。
- L−酒石酸塩かつ水和物である、請求項1に記載の化合物。
- 銅放射で計測されるとき2θとして表される11.8、16.5、23.1及び26.5から選ばれる粉末x線回折パターンピークの少なくとも1により実質的に特徴付けられる、請求項9に記載の化合物。
- 固体状態13C NMRの主要な共鳴ピーク:179.0、176.1、147.5及び144.5ppmにより実質的に特徴付けられる、請求項10に記載の化合物。
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PCT/IB2002/001437 WO2002092089A1 (en) | 2001-05-14 | 2002-04-26 | Tartrate salts of 5,8,14-triazatetracyclo {10.3.1.0?2,11.04,9¿}-hexadeca-2(11),3,5,7,9-pentaene and pharmaceutical compositions thereof |
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