JP2007182460A - 結晶型[R−(R*,R*)]−2−(4−フルオロフェニル)−β,δ−ジヒドロキシ−5−(1−メチルエチル)−3−フェニル−4−[(フェニルアミノ)カルボニル]−1H−ピロール−1−ヘプタン酸カルシウム塩(2:1)(アトロバスタチン) - Google Patents
結晶型[R−(R*,R*)]−2−(4−フルオロフェニル)−β,δ−ジヒドロキシ−5−(1−メチルエチル)−3−フェニル−4−[(フェニルアミノ)カルボニル]−1H−ピロール−1−ヘプタン酸カルシウム塩(2:1)(アトロバスタチン) Download PDFInfo
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- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
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- C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D207/34—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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Abstract
【解決手段】 X型、またはXII型として示される、[R−(R*,R*)]−2−(4−フルオロフェニル)−β,Δ−ジヒドロキシ−5−(1−メチルエチル)−3−フェニル−4−[(フェニルアミノ)カルボニル]−1H−ピロール−1−ヘプタン酸ヘミカルシウム塩(アトロバスタチン)の新規結晶型が提供され、そのX線粉末回折、固体NMR、および/またはラマン分光法により特徴付けられた。
【選択図】 なし
Description
最終的に本発明は、V型、VI型、VII型、VIII型、IX型、X型、XI型、XII型、XIII型、XIV型、XV型、XVI型、XVII型、XVIII型、またはXIX型アトロバスタチンの製造方法に関する。
結晶V型、VI型、VII型、VIII型、IX型、X型、XI型、XII型、XIII型、XIV型、XV型、XVI型、XVII型、XVIII型、またはXIX型アトロバスタチンは、これらのX線粉末回折像により、これらの固体核磁気共鳴スペクトル(NMR)により、および/またはこれらのラマン
スペクトルにより特徴付けられる。
V、VI、VII、VIII、IX、X、XI、XII、XIII、XIV、XV、XVI、XVII、XVIII、およびXIX型
V、VI、VII、VIII、IX、X、XI、XII、XIII、XIV、XV、XVI、XVII、XVIII、またはXIX型アトロバスタチンは、これらのX線粉末回折像により特徴付けられる。従って、V、VI、VII、VIII、IX、X、XI、XII、またはXIII型アトロバスタチンのX線回折像をCuKα放射を用いるシマズXRD−6000X線粉末回折計で測定した。機器には高精度焦点X線管が備え付けられている。管電圧および管電流はそれぞれ40kVおよび40mAに設定した。発散および散乱スリットは1°に設定し、受光スリットは0.15mmに設定した。回折される電磁波をNaIシンチレーション検出器により検出した。3°/分(0.4秒/0.02°ステップ)で、2.5〜40°2θのθ−2、θ連続読み取りを用いた。機器の心合わせを確認するために、シリコン標準を各日分析した。XIV、XV、XVI、XVII、XVIII、およびXIX型のX線回折像は、銅放射、固定スリット(1.0、1.0、0.6mm)、およびKevex固形検出器を用いるBruker D5000回折計で行った。データはステップサイズ0.04度およびステップ時間1.0秒を用いて、2θにおける3.0〜40.0度で回収した。BrukerがSiemansを合併していることは書き留めておくべきであり;従って、Bruker D5000機器は本質的にSiemans D5000と同じである。
における、全線の2θおよび相対強度を記載する。
方法論
固体13C NMRスペクトルはTecmag機器により270または360MHzで得られた。約4.7および4.2kHzまたは4.6および4.0kHzにおけるマジック角回転を有する、高出力プロトンデカップリングおよび交差分極で68MHz(13C周波数)データ収集を行い、4.9および4.4kHzで91MHz(13C周波数)データ収集を行った。マジック角は、側波帯を検出することによりKBrのBrシグナルを用いて調整した。試料は7mmDotyローター中にパックし、各実験に用いた。化学シフトが定まらないX型以外、化学シフトはアダマンチンを外部基準とした。
方法論
ラマンスペクトルはNicolet Magna 860 Fourier 変換赤外分光計用ラマン付属インタフェースを用いて得られた。該付属品は1064nmの励起波長と約0.45Wのネオジム−ドープ イットリウムアルミニウムガーネット(Nd:YAG)レーザー出力を利用する。スペクトルは4cm-1分解能で得られる64または128共付加スキャンを表す。試料は、一部を直径5mmガラス管中に入れ、この管を分光計中に置くことにより、分析用に調製される。分光計は使用の際に、イオウおよびシクロヘキサンで校正(波長)する。
Reformulation,Aulton M. E. ed.,Churchill Livingstone,1988; 13:237)。
水系から製造される。VII型はセスキ水和物であり含水率がより低く、つまりVII型の単位重量はより多くのアトロバスタチン分子を含有し、つまりより高い有効性を有する。
of Tableting Performance, Powder Technology,1984; 38: 145−159に記載されるタブレッティング・インデックスのような、種々の薬剤の物理的性質によって決定される。これらのインデックスは優れた錠剤成型特性を有するアトロバスタチンカルシウムの型を同定するのに用いることができる。このようなインデックスの1種として、脆性破壊インデックス(BFI)があり、これは脆性を反映し、0(良好な、低い脆性)〜1(不良の、高い脆性)の範囲で定められる。例えば、VII型はBFI値0.09であり、これに対してI型はBFI値0.81である。即ち、VII型はI型よりも壊れにくい。この低い脆性は、錠剤の製造がより容易であることを示している。
投与量は患者の要求、治療する病状の重症度、および用いられる化合物に応じて変化してよい。特定の状況に適する投与量の決定は、当業者に任せられる。一般に、化合物の至適投与量よりも少ない、より少量の投与量で治療を開始する。その後に、その状況における至適効果が得られるまで、投与量を少量ずつ増加させる。便宜上、1日当りの全投与量は所望により、1日の内で数回に分割して投与してもよい。
V型アトロバスタチン
方法A
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号)を、アセトニトリル/水(9:1)の混合物中にスラリーにして、V結晶型アトロバスタチンを得た。
方法B
I結晶型アトロバスタチンカルシウム(米国特許5,969,156)を、60℃で一晩、アセトニトリル/水(9:1)の混合物中にスラリーにして、濾過し、風乾してV結晶型アトロバスタチンを得た。
方法C
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号)を、アセトニトリル/水(9:1)の蒸気下で加圧し、V結晶型アトロバスタチンを得た。
方法D
アセトニトリルを、テトラヒドロフラン/水(9:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液に加え、冷却してV結晶型アトロバスタチンを得た。
方法E
アセトニトリルを、ジメチルホルムアミド/水中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液に加え、高速蒸発してV結晶型アトロバスタチンを得た。
方法F
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号)をアセトニトリル/水(9:1)の蒸気中に拡散して、V結晶型アトロバスタチンを得た。
V結晶型アトロバスタチン、mp 171.4℃、3水和物
カール・フィッシャー 4.88%(水 3モル)
方法A
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号)を、ジメチルホルムアミド/水(9:1)を含む蒸気瓶中に20日間入れ、VI結晶型アトロバスタチンを得た。
方法B
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号)のジメチルホルムアミド/水の溶液を高速蒸発し、VI結晶型アトロバスタチンを得た。
方法C
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号)のジメチルホルムアミド/水(飽和)溶液を高速蒸発し、VI結晶型の結晶種を入れ、VI結晶型アトロバスタチンを得た。
VI結晶型アトロバスタチン、mp 145.9℃
方法A
アセトン/水(1:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液(5.8mg/mL)を一晩攪拌した。固体が形成され、これを濾過してVII結晶型アトロバスタチンを得た。
方法B
アセトン/水(1:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液を50℃で蒸発し、VII結晶型アトロバスタチンを得た。
方法C
アセトン/水(1:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の飽和水溶液にVII結晶型アトロバスタチンの結晶種を入れ、VII結晶型
アトロバスタチンを得た。
方法D
アセトン/水(1:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の飽和水溶液を高速乾燥し、これにVII結晶型アトロバスタチンの結晶種を入れ、VII結晶型アトロバスタチンを得た。
VII結晶型アトロバスタチン、mp 195.9℃、1.5水和物
カール・フィッシャー 2.34%(水 1.5モル)
方法A
ジメチルホルムアミド/水(9:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の飽和溶液にVIII結晶型の結晶種を入れ、蒸発してVIII結晶型アトロバスタチンを得た。
方法B
ジメチルホルムアミド/水(9:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液を高速蒸発して、VIII結晶型アトロバスタチンを得た。
VIII結晶型アトロバスタチン、mp 151℃、2水和物
カール・フィッシャー 2.98%(水 2モル)
方法A
アセトン/水(6:4)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液(3.4mg/mL)をロータリーエバポレーターで蒸発し、IX結晶型アトロバスタチンを得た。
方法B
アセトン/水(6:4)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液を濾過し、IX結晶型の結晶種を入れ、ロータリーエバポレーターで蒸発し、IX結晶型アトロバスタチンを得た。
方法C
アセトン/水(6:4)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液を0.5時間攪拌し、濾過し、ロータリーエバポレーターで蒸発して溶液を濃縮し、真空オーブン中で乾燥してIX結晶型アトロバスタチンを得た。
方法A
イソプロパノール/水(9:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)のスラリーを数日間攪拌し、濾過し、風乾してX結晶型アトロバスタチンを得た。
方法B
イソプロパノール/水(9:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)のスラリーを5日間攪拌し、濾過し、風乾してX結晶型アトロバスタチンを得た。
方法C
イソプロパノール/水(9:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の飽和溶液を2日間攪拌し、濾過し、風乾してX結晶型アトロバスタチンを得た。
X結晶型アトロバスタチン、mp 180.1℃、3水和物
カール・フィッシャー 5.5%(水 3.5モル)
アセトニトリル/水(9:1)中のアモルファスアトロバスタチンカルシウム(米国特許5,273,995号)の溶液を濾過し、ゆっくりと蒸発するのを待ち、XI結晶型アトロバスタチンを得た。
I結晶型アトロバスタチンカルシウム(米国特許5,969,156)を、90℃で5日間テトラヒドロフラン/水(2:8)中にスラリーにし、濾過し、風乾してXII結晶型アトロバスタチンを得た。
XII結晶型アトロバスタチン、mp 210.6℃
I結晶型アトロバスタチンカルシウム(米国特許5,969,156)を、10mLの2:
8 水:メタノールに加え、バイアルの底に固体の相ができるよう静置した。スラリーを約70℃で5日間加熱した。上清を除去し、固体を風乾してXIII結晶型アトロバスタチンを得た。
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号) 1gを、イソプロピルアルコール 45mL/水 5mL(9:1)中に周囲温度で3週間スラリーにした。混合物を濾過し、周囲温度で乾燥してXIV結晶型アトロバスタチンを得た。
カール・フィッシャーにより、化合物は水 5.8%を含有することが示される。
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号) 1gをアセトニトリル 45mL/水 5mL(9:1)中に周囲温度で3週間スラリーにした。混合物を濾過し、周囲温度で乾燥してXV結晶型アトロバスタチンを得た。DSCにより、約78℃(ピーク)で僅かに脱溶媒化現象が、次いで約165℃で融解が観測される。燃焼分析により、化合物は3水和物であることが示される。TG−1Rにより、化合物が水を含有することが示される。
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号) 1gを、アセトニトリル/水(9:1)中に周囲温度で約1日間スラリーにした。混合物を濾過し、周囲温度で乾燥してXVI結晶型アトロバスタチンを得た。DSCにより、72℃のピーク温度でブロードの吸熱が、また164℃で吸熱の開始が観測される。サーモグラフ分析(TGA)による重量損失特性では、30℃〜160℃で約7%の全重量損失が観測される。TGAおよびカール・フィッシャー分析(結果、水 7.1%を含有)と燃焼分析結果により、化合物は4水和物/アセトニトリル溶媒和物であることが示される。
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号) 0.5gを、アセトニトリル 25mLを含有するジメチルホルムアミド(DMF)/水(9:1)の5mL中に室温で、約2日間スラリーにした。混合物を濾過し、周囲温度で乾燥してXVII結晶型アトロバスタチンを得た。DSCにより、化合物が溶媒和物であったことを示す多重ブロードの吸熱が観測された。
XVI結晶型アトロバスタチン 0.5gを、室温で約1日間乾燥し、XVIII結晶型アトロバスタチンを得た。DSCにより、低温でのブロードの吸熱が観測され、化合物が溶媒和物であったことが示された。カール・フィッシャー分析により、化合物が水 4.4%を含有することが示された。
アモルファスアトロバスタチンカルシウム(米国特許5,273,995号) 0.4gを、メチルエチルケトン 4mL中に室温で、約7日間スラリーにした。混合物を濾過し、周囲温度で乾燥してXIX結晶型アトロバスタチンを得た。DSCにより、約50℃(ピーク)で僅かに脱溶媒化現象が、次いで約125℃で融解が観測された。TGA分析により、低温での脱溶媒化が観測され、化合物が溶媒和物であったことが示された。
Claims (2)
- CuKα放射を用いて測定される以下の2θ値:4.7、5.2、5.8、6.9、7.9、9.2、9.5、10.3(ブロード)、11.8、16.1、16.9、19.1、19.8、21.4、22.3(ブロード)、23.7(ブロード)、24.4、および28.7を含むX線粉末回折を有する、X結晶型アトロバスタチンまたはその水和物。
- CuKα放射を用いて測定される以下の2θ値:5.4、7.7、8.0、8.6、8.9、9.9、10.4(ブロード)、12.5、13.9(ブロード)、16.2、17.8、19.4、20.8、21.7、22.4−22.6(ブロード)、24.3、25.5、26.2、および27.1を含むX線粉末回折を有する、XII結晶型アトロバスタチンまたはその水和物。
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| FI94339C (fi) | 1989-07-21 | 1995-08-25 | Warner Lambert Co | Menetelmä farmaseuttisesti käyttökelpoisen /R-(R*,R*)/-2-(4-fluorifenyyli)- , -dihydroksi-5-(1-metyylietyyli)-3-fenyyli-4-/(fenyyliamino)karbonyyli/-1H-pyrroli-1-heptaanihapon ja sen farmaseuttisesti hyväksyttävien suolojen valmistamiseksi |
| CZ294108B6 (cs) | 1995-07-17 | 2004-10-13 | Warner@Lambertácompany | Krystalická forma I hydrátu atorvastatinuŹ tj@ semivápenaté soli kyseliny [R@}RgŹRgB]@}@fluorfenylB@betaŹdelta@dihydroxy@Q@}�@methylethylB@fenyl[}fenylaminoBkarbonyl]@�H@pyrrol@�@heptanové |
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