JP4339679B2 - Pde5阻害剤としてのカルボリン誘導体 - Google Patents
Pde5阻害剤としてのカルボリン誘導体 Download PDFInfo
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- JP4339679B2 JP4339679B2 JP2003507094A JP2003507094A JP4339679B2 JP 4339679 B2 JP4339679 B2 JP 4339679B2 JP 2003507094 A JP2003507094 A JP 2003507094A JP 2003507094 A JP2003507094 A JP 2003507094A JP 4339679 B2 JP4339679 B2 JP 4339679B2
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- 125000005493 quinolyl group Chemical group 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- QEVHRUUCFGRFIF-MDEJGZGSSA-N reserpine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 QEVHRUUCFGRFIF-MDEJGZGSSA-N 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 231100000872 sexual dysfunction Toxicity 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000002415 sodium dodecyl sulfate polyacrylamide gel electrophoresis Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000012439 solid excipient Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000009861 stroke prevention Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 125000006296 sulfonyl amino group Chemical group [H]N(*)S(*)(=O)=O 0.000 description 1
- 230000006103 sulfonylation Effects 0.000 description 1
- 238000005694 sulfonylation reaction Methods 0.000 description 1
- 239000011593 sulfur Chemical group 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000002511 suppository base Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- WHRNULOCNSKMGB-UHFFFAOYSA-N tetrahydrofuran thf Chemical compound C1CCOC1.C1CCOC1 WHRNULOCNSKMGB-UHFFFAOYSA-N 0.000 description 1
- 125000001712 tetrahydronaphthyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
- 231100001274 therapeutic index Toxicity 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical class CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 230000000304 vasodilatating effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002435 venom Substances 0.000 description 1
- 210000001048 venom Anatomy 0.000 description 1
- 231100000611 venom Toxicity 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- AIFRHYZBTHREPW-UHFFFAOYSA-N β-carboline Chemical class N1=CC=C2C3=CC=CC=C3NC2=C1 AIFRHYZBTHREPW-UHFFFAOYSA-N 0.000 description 1
Classifications
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Description
(5aR,10R)−10−ベンゾ[1,3]ジオキソール−5−イル−7,8−ジメチル−5,5a,8,9,10,11−ヘキサヒドロ−7H−7,8,9a,11−テトラアザベンゾ[b]フロレン−6−オン
中間体2から2,3,5−トリアジン−1−オン実施例1への環化を促進するために、Winterfield他、Arch. Pharmaz, 304, 216頁(1971)の方法が使用された。
クロロ蟻酸メチル(ClCO2Me、4.8mL、62mmol)は、0℃で窒素雰囲気下でTHFテトラヒドロフラン(150mL)中の化合物(II)(20g、52mmol)及びN−メチルモルフォリン(NMM、14.2mL、129mmol)の懸濁液へ滴下で添加された。混合物は、室温にゆっくり暖められ、その後、3日間攪拌された。得られた混合物は、酢酸エチル(200mL)で希釈され、かん水(150mL)で洗浄され、硫酸マグネシウムで乾燥され、そして、ろ過された。その溶媒は、減圧下で除去され、琥珀色の泡として中間体1(21g、96%)を提供した。:
TLC Rf(1:9 酢酸エチル/クロロホルム)=0.70。
1H NMR(300MHz、DMSO−d6):δ10.83(s、1H)、7.52(d、J=7.6Hz、1H)、7.29(d、J=8.0Hz、1H)、7.09(t、J=8.2Hz、1H)、7.01(t、J=8.2Hz、1H)、6.83(d、J=8.1Hz、1H)、6.67(s、1H)、6.54(d、J=8.1Hz、1H)、5.98(d、J=4.2Hz、2H)、5.32(d、J=5.0Hz、1H)、3.76(s、1H)、3.33(s、7H)、2.99−2.97(m、1H) ppm;API MS m/z 409 [C22H20N2O6+H]+。
ナトリウムメトキシド(NaOMe、22mL、113mmol、メタノール中30%溶液)は、2−エトキシエタノール(70mL)中の中間体1(14.0g、34mmol)及び1,2−ジメチルヒドラジン二塩酸化物(9.1g、69mmol)の混合物へ滴下で添加され、その混合物は、窒素雰囲気下で15時間リフラックスで暖められた。その懸濁液は、室温に冷却され、そして、オレンジ色の固体は、真空ろ過で除去された。ろ液は、減圧下で濃縮され、暗赤色の泡を提供し、酢酸エチル/クロロホルム(1:19)で溶出されながら、フラッシュカラムクロマトグラフィーによって精製され、黄色の泡として中間体2を提供した。中間体2(2.62g、17%)は、さらに精製せずに使用された。:
TLC Rf(1:9 酢酸エチル/クロロホルム)=0.26。;API MS m/z 351 [C24H30N6O3+H]+。
ナトリウムメトキシド(3.2mL、17mmol、メタノール中30%溶液)は、2−エトキシエタノール(20mL)中の中間体2(2.6g、5.6mmol)の混合物へ滴下で添加され、その後、得られた混合物は、窒素雰囲気下で66時間リフラックスで暖められた。その懸濁液は、室温に冷却され、その後、減圧下で濃縮され、オレンジ色のオイルを提供し、そのオレンジ色のオイルは、酢酸エチル/クロロホルム(1:19)で溶出されながら、フラッシュカラムクロマトグラフィーによって精製され、琥珀色の泡として粗生成物を提供した。残留物は、水/メタノール(3:1)中でスラリーによってさらに精製され、続けて、真空ろ過によって黄褐色の粉として実施例1(0.192g、8%)を提供した。:mp 207−213℃;TLC Rf(1:4 酢酸エチル/クロロホルム=0.46。
1H NMR(300MHz、DMSO−d6):δ10.22(s、1H)、7.45(d、J=7.6Hz、1H)、7.19(d、J=7.9Hz、1H)、7.00−6.88(m、5H)、6.02(d、J=7.0Hz、2H)、4.65(s、1H)、3.77(d、J=11.6Hz、1H)、3.50−3.46(m、2H)、3.34(s、6H)、3.22(d、J=14.2Hz、1H)、2.78−2.70(m、1H)、 ppm;CI MS m/z 391 [C22H22N4O3+H]+;[α]D 25℃=+10.0°(c=0.5、クロロホルム)。元素分析:計算値 C22H22N4O3・0.25H2O:C、66.91;H、5.74;N、14.19。実測値:C、66.67;H、5.66;N、13.79。実施例1の相対立体化学は、数種類のDEPT実験及びNOE差実験によって、所望のcis異性体であることが確認された。:3.77ppmのC12aプロトンから4.65ppmのC6プロトンへの正のNOE増強。4.65ppmのC6プロトンから3.77ppmのC12aプロトンへの正のNOE増強。HPLC分析(Aquasil C18カラム、100×4.6mm、保持時間=12.0分及び18.3分;45%アセトニトリル/55% 水中で0.03%TFA;流速=0.75mL/分;@254nmでの検出器;25℃)は、それぞれ6.0%のtrans異性体及び94.0%のcis異性体のピークを示し、100%の合計純度を有するピークを示した。
2−ベンジル−6−(4−メトキシフェニル)−6,7,12,12a−テトラヒドロピラジノ[1',2':1,6]ピリド[3,4−b]インドール−1,3−ジオン
(+−,cis)−10−ベンゾ[1,3]ジオキソール−5−イル−5a,6,10,11−テトラヒドロ−5H−7−オキサ−9a,11−ジアザベンゾ[b]フルオレン−9−オン
(+−,cis)−(4−メトキシフェニル)−5a,6,10,11−テトラヒドロ−5H−7−オキサ−9a,11−ジアザベンゾ[b]フルオレン−9−オン
(+−,cis)−6−ベンゾ[1,3]ジオキソール−5−イル−11−ヒドロキシ−8−オキサ−5,6,8,9,11a,12−ヘキサヒドロインドール[3,2−b]キノリジン−10−カルボン酸メチルエステル
(+−,trans)−6−ベンゾ[1,3]ジオキソール−5−イル−5,6,9,10,11a,12−ヘキサヒドロインドール[3,2−b]キノリジン−8,11−ジオン
(6R,11aS)−10−ベンゾ[1,3]ジオキソール−5−イル−5,5a,10,11−テトラヒドロ−7−オキサ−9a,11−ジアザベンゾ[b]フルオレン−6,9−ジオン
6,7,12,12b−テトラヒドロ−1H−インドール[2,3−a]キノリジン−2,4−ジオン
14−メチル−8,13,13b,14−テトラヒドロ−7H−インドール[2',3':3,4]ピリド[
2,1−b]キナゾリン−5−オン
5,13−ジヒドロ−6H−6a,10,12,13−テトラアザインデノ[2,1−a]アントラセン−7−オン
2−メトキシ−5,7,8,13,13b,14−ヘキサヒドロインドール[2',3':3,4]ピリド[1,2−b]イソキノリン−3−オール
7,8,13,13b−テトラヒドロ−5H−5,6a,13−トリアザインデノ[1,2−c]フェナントレン−6−オン
7−オキソ−5,7,11b,12−テトラヒドロ−6H−6a,12−ジアザインデノ[1,2−a]フルオレン−3−カルボン酸エチルエステル
1−(3−ヒドロキシベンジル)−2,3,4,9−テトラヒドロ−1H−β−カルボリン−1−カルボン酸
Saccharomyces cerevisiae(酵母)における発現
ヒトのPDE1B、PDE2、PDE4A、PDE4B、PDE4C、PDE4D、PDE5およびPDE7の組換え産生を、米国特許第5,702,936号(これは参考として本明細書中に組み込まれる)の実施例7に記載される組換え産生と同様に行ったが、本実施例では、用いられた酵母形質転換ベクターは、Price他、Methods In Enzymology、185、308頁〜318頁(1990)に記載される基本的なADH2プラスミドに由来するベクターであり、酵母のADH2プロモーター配列およびターミネーター配列を含み、そしてSaccharomyces cerevisiae宿主がプロテアーゼ欠損BJ2−54株(これは1998年8月31日にAmerican Type Culture Collection(Manassas、Virginia)にアクセション番号ATCC74465で寄託された)であった。形質転換された宿主細胞を、微量金属およびビタミンを含む2XSC−leu培地(pH6.2)において増殖させた。24時間後、YEP培地含有グリセロールを2XYET/3%グリセロールの最終濃度に加えた。約24時間後に細胞を集め、洗浄して、−70℃で保存した。
ホスホジエステラーゼ活性の測定
調製物のホスホジエステラーゼ活性は下記のように測定された。活性炭分離技術を利用するPDEアッセイを、本質的には、Loughney他(1996)に記載されるように行った。このアッセイでは、PDE活性により、[32P]cAMPまたは[32P]cGMPが、存在するPDE活性の量に比例して、対応する[32P]5’−AMPまたは[32P]5’−GMPに変換される。[32P]5’−AMPまたは[32P]5’−GMPは、その後、ヘビ毒の5’−ヌクレオチダーゼの作用によって遊離の[32P]リン酸および非標識のアデノシンまたはグアノシンに定量的に変換された。従って、放出された[32P]リン酸の量は酵素活性に比例している。このアッセイは、40mMのTrisHCl(pH8.0)、1μMのZnSO4、5mMのMgCl2および0.1mg/mLのウシ血清アルブミン(BSA)(いずれも最終濃度)を含有する100μLの反応混合物において30℃で行われた。PDE酵素は、基質の総加水分解が30%未満である量で存在した(直線的なアッセイ条件)。アッセイは、基質(1mMの[32P]cAMPまたはcGMP)の添加によって開始され、混合物を12分間インキュベーションした。その後、75μgのガラガラヘビ(Crotalus atrox)毒液を加え、インキュベーションを3分間続けた(合計で15分間)。反応を、200μLの活性炭(0.1MのNaH2PO4(pH4)における25mg/mLの懸濁物)の添加によって停止させた。遠心分離(750Xg、3分間)により活性炭を沈降させた後、上清のサンプルを採取して、シンチレーションカウンターで放射能測定を行い、PDE活性を計算した。
細胞ペレット(29g)を、等容量の溶解緩衝液(25mMのTrisHCl(pH8)、5mMのMgCl2、0.25mMのDTT、1mMのベンズアミジンおよび10μMのZnSO4)とともに氷上で解凍した。細胞を、窒素を20,000psiで使用するMicrofluidizer(登録商標)(Microfluidics Corp.)で溶解した。溶解液を遠心分離して、0.45μmのディスポーザブルフィルターに通してろ過した。ろ液を、Q SEPHAROSE(登録商標)Fast−Flow(Pharmacia)の150mLのカラムに負荷した。カラムを1.5容量の緩衝液A(20mMのビス−トリスプロパン(pH6.8)、1mMのMgCl2、0.25mMのDTT、10μMのZnSO4)で洗浄して、125mMのNaClを含む緩衝液Aのステップグラジエントで溶出し、続いて、緩衝液Aにおける125mM〜1000mMのNaClの直線グラジエントで溶出した。直線グラジエントから得られる活性な画分を、緩衝液B(20mMのビス−トリスプロパン(pH6.8)、1mMのMgCl2、0.25mMのDTT、10μMのZnSO4および250mMのKCl)における180mLのヒドロキシアパタイトカラムに負荷した。負荷後、カラムを2容量の緩衝液Bで洗浄し、そして緩衝液Bにおける0mM〜125mMのリン酸カリウムの直線グラジエントで溶出した。活性な画分をまとめて、60%硫酸アンモニウムで沈殿させ、そして緩衝液C(20mMのビス−トリスプロパン(pH6.8)、125mMのNaCl、0.5mMのDTTおよび10μMのZnSO4)に再懸濁した。まとめたものをSEPHACRYL(登録商標)S−300HRの140mLのカラムに負荷し、緩衝液Cで溶出した。活性な画分を50%グリセロールに希釈し、−20℃で保存した。
本発明の化合物のcGMP−PDE活性を、Wells他、Biochim.Biophys.Acta、384、430(1975)から改変した1段階アッセイを使用して測定した。反応媒体には、50mMのTris−HCl(pH7.5)、5mMの酢酸マグネシウム、250μg/mlの5’−ヌクレオチダーゼ、1mMのEGTA、および0.15μMの8−[H3]−cGMPが含まれた。別途示されない限り、使用された酵素はヒト組換えPDE5(ICOS Corp.、Bothell、Washington)であった。
本発明による化合物は、典型的には、500nM(例えば、0.5μm)未満のIC50値を示すことが見出された。本発明の代表的な化合物に対するインビトロ試験データを下記の表に示す:
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FR2916200A1 (fr) * | 2007-05-18 | 2008-11-21 | Fourtillan Snc | Nouveaux derives des 1,2,3,4,6,7,12,12a-octahydro pyrazino[1',2':1,6]pyrido[3,4-b]indoles, leur preparation et leur utilisation en therapeutique |
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US20030153575A1 (en) * | 2000-06-08 | 2003-08-14 | Orme Mark W. | Tetracyclic diketopiperazine compounds as pdev inhibitors |
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