JP6434591B2 - 4−[2−ジメチルアミノ−1−(1−ヒドロキシシクロヘキシル)エチル]フェニル4−メチルベンゾエートヒドロクロリドの多形体、それらを作製する方法及びそれらの使用 - Google Patents
4−[2−ジメチルアミノ−1−(1−ヒドロキシシクロヘキシル)エチル]フェニル4−メチルベンゾエートヒドロクロリドの多形体、それらを作製する方法及びそれらの使用 Download PDFInfo
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- JP6434591B2 JP6434591B2 JP2017172806A JP2017172806A JP6434591B2 JP 6434591 B2 JP6434591 B2 JP 6434591B2 JP 2017172806 A JP2017172806 A JP 2017172806A JP 2017172806 A JP2017172806 A JP 2017172806A JP 6434591 B2 JP6434591 B2 JP 6434591B2
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- crystalline form
- ethyl
- dimethylamino
- phenyl
- hydroxycyclohexyl
- Prior art date
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Description
1.単結晶X線回折試験
1)試験機器:株式会社リガクのMicroMax 002+単結晶回折計。
2)試験条件:CuKα放射、共焦点モノクロメータ、コリメータの直径 ф=0.30mm、結晶と検出器との距離 d=50mm、管電圧 45KV、管電流 0.88mA、走査モード ω及びκ。
2.粉末X線回折試験
1)サンプル処理:サンプルを粉砕し、100メッシュ篩に通し、50mgの篩過したサンプルを使用する。
2)試験機器:日本の株式会社リガクのD/max−2550粉末X線回折計。
3)試験条件:CuKα放射、グラファイトモノクロメータ、40KVの管電圧、150mAの管電流、3度〜80度の2θ走査範囲、8℃/分の走査速度、及び0.02度ステップ幅(step)。スリット条件:1度の発散スリット、10mmの高さ制限スリット、1度の抗散乱スリット、及び0.15mmの受光スリット。
3.融点試験
1)試験機器:Shanghai Suoguang Light & Electricity Technology. Co., Ltdから入手可能なWRS−1Bデジタル融点測定器。
2)試験条件:
結晶形I、200℃の初期温度及び1℃/分の加熱速度。
結晶形II、80℃の初期温度及び1℃/分の加熱速度。
結晶形III、80℃の初期温度及び1℃/分の加熱速度。
結晶形IV、80℃の初期温度及び1℃/分の加熱速度。
結晶形V、60℃の初期温度及び1℃/分の加熱速度。
4.DSC(示差走査熱量測定)試験、試験条件:スイス製のDSC1熱分析器、初期温度は30℃に設定し、最終温度は260℃に設定し、加熱速度は10K/分に設定する。
10gのデスメチル−ベンラファキシン(化合物III)を200mlの無水ピリジンに溶解し、0℃に冷却した。無水テトラヒドロフランに溶解した等モルの4−メチルベンゾイルクロリドを滴加し、反応を撹拌しながらこの温度で5時間実施した。それから、大部分の溶媒を真空蒸発により除去した。残渣を400mlの水に注ぎ、pHが9になるまで撹拌しながら調整し、一晩保管した。析出した固体をろ別し、水で3回洗浄し、乾燥して、粗生成物を得た。粗生成物を、80mlの無水エタノール/酢酸エチル(1:1)を用いて再結晶化し、8.0gの融点が159.0℃〜162.2℃の白色固体を55.2%の収率で得た。
500mgの式(I)の化合物を、18℃で1日間、3mlのエタノールと、30mlの酢酸エチルとの混合溶媒中で再結晶化し、無色透明な針状結晶として結晶形Iを得た。
50mgの式(I)の化合物を、22℃で15日間、3.2mlのアセトニトリル中で再結晶化し、無色透明な柱状結晶として結晶形IIを得た。
300mgの式(I)の化合物を、真空下、50℃で14mlのクロロホルム中で再結晶化し、溶媒を急速に除去し、白色粉末固体として結晶形IIIを得た。
500mgの式(I)の化合物を、18℃で1日間、4mlのDMSOと、40mlの酢酸エチルとの混合溶媒中で再結晶化し、無色透明な塊状結晶として結晶形IVを得た。
500mgの式(I)の化合物を、18℃で5mlのクロロホルムと、50mlの石油エーテルとの混合溶媒中で再結晶化し、固体を急速に析出させて、白色粉末固体として結晶形Vを得た。
1.試験機器
高速湿式造粒器 Beijing Aeronautical manufacturing Technology Research InstituteのHLSH2−6A
8ダイス回転式プレス機 Shanghai Tianxiang & Chentai Pharmaceutical Machinery Co., Ltd.
粉末X線回折 株式会社島津製作所(日本)のXRD−7000
(1)原材料
式(I)の化合物 実施例1の方法に従って調製する
結晶形II 実施例3の方法に従って調製する
(2)賦形剤
ヒドロキシプロピルメチルセルロースK4M(バッチ番号WK19012NO2) Dow Chemical(米国)
微結晶性セルロース(バッチ番号C1006066−S) FMC(米国)
ポビドンK30(バッチ番号05400111258) ISP(米国)
ステアリン酸マグネシウム(バッチ番号20091011) Hunan ER-KANG Pharmaceutical Co., Ltd.
製剤設計に従って原材料及び賦形剤を秤量した。乾式造粒打錠法及び湿式造粒打錠法を用いて、それぞれ式(I)の化合物の錠剤及び式(I)の化合物の結晶形IIの錠剤を調製し、粉末X線回折法を用いて、混合粉末、乾燥顆粒、及び錠剤における原材料の結晶転移をモニタリングした。錠剤の製剤設計に従って原材料及びステアリン酸マグネシウムを含まない混合賦形剤粉末(ブランク賦形剤)を調製し、粉末X線回折法を用いて、ブランク賦形剤をモニタリングした。ブランク賦形剤の粉末X線回折図を図17に示す。
製剤設計:25gの式(I)の化合物又は式(I)の化合物の結晶形II(無水物質ベースで算出する)、75gのHPMC K4M CR、150gの微結晶性セルロース、適量の5% PVPエタノール溶液、及び2.5gのステアリン酸マグネシウム。
調製方法:
(i)全ての賦形剤を、乾燥減量が3%未満になるまで80℃で乾燥し、予備的使用のために80メッシュ篩に通した。式(I)の化合物及び式(I)の化合物の結晶形IIを予備的使用のために80メッシュ篩に通した。
(ii)上記の原材料及び賦形剤を製剤設計に従って秤量し(ステアリン酸マグネシウムを除く)、高速湿式造粒器に入れ、4分間予混合して、混合粉末を得た。
(iii)適量の5% PVP K30エタノール溶液を混合粉末に添加した後、それを造粒し、乾燥減量が4%未満になるまで60℃、強制空気下で乾燥し、その後造粒して乾燥顆粒を得た。
(iv)製剤設計の量に従って、乾燥顆粒をステアリン酸マグネシウムと混合し、圧縮後に錠剤を得た。錠剤の重量は250mg±15mgであり、硬度は6kg±1kgであった。
製剤設計:25gの式(I)の化合物又は式(I)の化合物の結晶形II(無水物質ベースで算出する)、75gのHPMC K4M CR、150gの微結晶性セルロース、及び2.5gのステアリン酸マグネシウム。
調製方法:
(i)全ての賦形剤を、乾燥減量が3%未満になるまで80℃で乾燥し、予備的使用のために80メッシュ篩に通した。式(I)の化合物及び式(I)の化合物の結晶形IIを予備的使用のために80メッシュ篩に通した。
(ii)上記の原材料及び賦形剤を製剤設計に従って秤量し(ステアリン酸マグネシウムを除く)、同様の添加方法により混合した後、60メッシュ篩に3回通し、十分に混合して、混合粉末を得た。
(iii)18mmのダイスを用いて、硬度が1kg〜2kgの大きな錠剤を作製した。大きな錠剤を粉砕し、造粒して、乾燥顆粒を得た。
(iv)製剤設計の量に従って、乾燥顆粒をステアリン酸マグネシウムと混合して、打錠後に錠剤を得た。錠剤の重量は250mg±15mgであり、硬度は6kg±1kgであった。
(1)湿式造粒打錠法
湿式造粒打錠プロセス中の式(I)の化合物の粉末X線回折図を図18に示す。
乾式造粒打錠プロセス中の式(I)の化合物の粉末X線回折図を図20に示す。
1.機器及び設備
イオンスプレーイオン化源と、Analyst 1.4.1データ処理ソフトウェアとを備えるAPI 4000トリプル四重極質量分析計(米国、Applied Biosystem company)。
二液注入ポンプと、オートサンプラーと、カラムヒーターと、切替弁とを備えるAgilent 1200 HPLCシステム(米国、Aglient company);カラムは、Agilent Eclispe XDB C18カラム(50×4.6mm、1.8μm)である。
L−128サンプル濃縮器、Beijing Laiheng Scientific Co. Ltd Co.Ltd
n−ヘキサン(分析試薬) China National Medicines Corporation Ltd.
ジクロロメタン(分析試薬) Tianjin Fuchen Chemical Reagent Factory
酢酸アンモニウム(バッチ番号431311、99.99+%) Aldrich
酢酸(バッチ番号45727、≧99%) Fluka
メタノール(クロマトグラフィグレード、バッチ番号1422107813) Merk
式(I)の化合物のCMCNa懸濁液(実施例1の方法に従って調製する)
結晶形IのCMCNa懸濁液(実施例2の方法に従って調製する)
結晶形IIのCMCNa懸濁液(実施例3の方法に従って調製する)
結晶形IIIのCMCNa懸濁液(実施例4の方法に従って調製する)
24匹のSDラット、半数が雄性及び半数が雌性、体重200g〜260g、Shandong Luye Pharmaceutical Co.,Ltd.の動物センターにより提供、実験動物使用許可証(Certificate)番号SYXK−20090013。
ラットを4つの群に無作為に分け(6匹のラット/群)、4.5mg/kgでの式(I)の化合物、結晶形I、結晶形II、及び結晶形IIIの経口投与に供した。血液サンプル(0.40mL)を0(対照として扱う)、5分、0.25時間、0.5時間、1時間、2時間、3時間、4時間、6時間、8時間、10時間、12時間、24時間で眼静脈から採取した。血液サンプルの遠心分離(10分、10000rpm)の後、血漿サンプルを採取し、分析まで−35℃で保管した。
ラットにおける式(I)の化合物、結晶形I、結晶形II及び結晶形IIIの群の血漿濃度時間曲線を図22に示す。
Claims (1)
- CuKα放射を用いて得られ、10.690、14.290、16.030、17.931、19.009、21.009及び22.350の角度2θ(±0.2度 2θ)で表される特徴的なピークを有する粉末X線回折パターンを示すことを特徴とする、結晶形Iの結晶構造を有する[4−[2−ジメチルアミノ−1−(1−ヒドロキシシクロヘキシル)エチル]フェニル4−メチルベンゾエートヒドロクロリド]の結晶を調製する方法であって、4−[2−ジメチルアミノ−1−(1−ヒドロキシシクロヘキシル)エチル]フェニル4−メチルベンゾエートヒドロクロリドを、溶媒の非存在下で、100℃〜150℃に1〜6時間、維持することを含む、方法。
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