TW509689B - Benzothiadiazoles and derivatives - Google Patents
Benzothiadiazoles and derivatives Download PDFInfo
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- TW509689B TW509689B TW088102726A TW88102726A TW509689B TW 509689 B TW509689 B TW 509689B TW 088102726 A TW088102726 A TW 088102726A TW 88102726 A TW88102726 A TW 88102726A TW 509689 B TW509689 B TW 509689B
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Description
509689 五、發明說明(1) 本發明係有關新穎之苯并噻二哇及衍生物,其製法,其 使用作為醫藥之用途及含其之醫藥組合物。 . 詳言之,本發明提供一種呈游離鹼或酸加成鹽態之式I 化合物:
Het 其中 X 為0,S,N-CH3,CH = CH 或 CAlk = CAlk,其中 Aik 獨立為 ((^_4)烧基, K及1獨立為氫、鹵素、(C!_4)烷基、(C^)烷氧基或三氟甲 基;及
Het為具下式(a)至(p)之一之基:
第4頁 509689 五、發明說明.(2)
⑽ ⑻ ⑹ (p) 其中 R3&R8獨立為氮或((^_4)烧基’ R4為氫、鹵素、(CV4)烷基、氰基、硝基、甲醯基或(CV4) 烷羰基, R5及1獨立為氫、(Ch)烷基、(c3_7)烯基、(c3_?)環烷基、 (c3_7)環烷基(Ch)院基、((ν4)烷氧基(c2_5)烷基或1基, R7為氫、羥基、((^_4)烷基或(Ch)烷氧基, W 為N,C-CN,C'N02,C-C0H 或 C-C〇-Alk,其中 Aik 如上述 定義’及 X如上述定義。 鹵素為氟、氣、漠或蛾,較好為氟或氣。
Het基較好位於與式I雜環部份鄰接之碳原子上。較好 Het為式(a)至(k),尤其是式(a)。 進一步目的中,本發明提供一種製備式I化合物及其鹽
第5頁 509689
第6頁 509689 五、發明說明(4)
其中R3至1,W及X如前述定義及Hal為鹵素;與式II I化合 物反應:
HN\ III
Rs 其中R5及{?6如前述定義;及使所得化合物轉化成游離鹼態 或酸加成鹽態。 反應可以已知方式如實例1所述般進行。Ha 1較好為氣、-漠或蛾,尤其是氯。 上述方法所得反應混合物之結束反應操作及所得化合物 之純化可依據已知程序進行。 酸加成鹽可依已知方式自游離鹼製得或相反。用於本發 明之適宜醫藥可接受性酸加成鹽包含例如鹽酸鹽、馬來酸 氫鹽、富馬酸氫鹽及丙二酸氫鹽。 式I I起始物可如下製得: 其中Y為具式(a’)至(d’)之一之基之式II化合物之獲得 可藉使式IV化合物: ’
第7頁 509689
第8頁 509689 五、發明說明(6) 其中R3、R4、R7、r8及^如前述定義。 所有前述反應為習知。 , 式I I I ’ I V ’ V a ’ V d及V I化合物為已知或可由已知化合 物使用習知程序製得。 式I化合物及其醫藥可接受性酸加成鹽(後文稱為本發明 藥劑)當使用促腎皮素釋出因子(CRF)受體表現細胞培養基 於體外測式及於動物中測試時,呈現有價值之醫藥性質, 且因此可作為醫藥。 尤其’本發明試藥結合至CRF受體上。詳言之,其呈現 以下列分析於活體外測定之對⑶匕受體之拮抗活性: 中國田鼠妒巢(CH0)細胞表現人類重組體CRF, (Chen等 人,Proc Natl Acad Sci USA 90, 8967-8971, 1993)於 補充有10%胎牛血清、非必需胺基酸、丨00 (]/毫升青黴 素、100毫克/升鏈黴素及1克/升基因素(genet i cin) (G418)之杜貝可(Dulbecco’s)改質之鷹培養基中繁殖。對 環狀AMP測定而言,細胞於2 4-洞盤中生長群集。如前述 (Schoeffter 等人,神經醫學 36, 42 9-437, 1 99 7 )使用 PH]腺嘌呤標記技術於完整細胞中測量由CRF (人類/大鼠 態)所刺激之環狀AMP累積。在假設拮抗劑(1 〇 # M)或载體^ (二曱基亞砚1%體積)存在下,架構CRF之濃度-反應曲線。 由式KB=[拮抗劑,Μ ]/濃度比例-1 )由對照面線之向右移動 計异ΚΒ值,其中濃度-比例表示存在有拮抗劑之EC枯 /不存在有拮抗劑之CRF £(:5{)值[?1_11^11§(^1:, In ··兒茶驗胺 (由 Blaschko Η 及 Muscholl E 編輯)第 283-335 頁,
第9頁 509689
Springer, Berlin, 1972]。 nM時顯.現 此測試中’本發明藥劑在K b C R F丨值約1至5 〇 〇 C F R!括抗活性。 因此本發明之藥劑可用以治療具增加CRF内源性旦 中ΗΡΑ (下丘腦垂體軸)失調之任何病況,或由二J/或 促成之各種疾病,包含發炎疾病如關節炎, 礼而及過敏; 焦慮包含晋遍性焦慮;恐怖及恐懼侵襲;抑 >r 影,疲勞症候 群;頭痛;疼痛如發炎性或神經性疼痛;病 、 广设姆 ^ ^ ^ , 么症,應激性腸 症候群’包3克隆氏疾病,痙擎性結腸及應激性钟腸· 疫官能障礙;人類免疫缺乏病毒(HI V)感染;抽 1經退化疾 病如老年癡呆、阿茲海默氏疾病及帕金森氏痂 - /六两,Τ風及 頭部外傷;癲癇;胃腸疾病;飲食及體重障礙如嗜食症及 神經性厭食症;出血性應力;藥物及醇戒除症候^ Τ =物 上癮;睡眠障礙;荷爾蒙失調;皮膚障礙;應力誘發^偶 發精神病;生育問題;性官能障礙及早產。 & 本發明藥劑於上述疾病之利用性可以數種測試證實: 例如本發明藥劑之解焦慮活性可以於老鼠升高之走迷宮 加以證實[例如參見Rodgers R.J·,Behavioural Pharmacology 8:4 77-49 6 ( 1 997 ),升高之走迷宮相關性 討論於第486頁;方法則參見Rodger s R· J·等人之 Ethology and Psychopharmacology (SJ Cooper 及CA Hendrie 編輯),第 9-44 頁(1994),J· Wiley, C h i c h e s ΐ e r ]。此測試中,本發明藥劑在投與0 · 1至3 0毫克 /公斤p . 〇.時顯現似解焦慮活性。 509689 五、發明說明(8) 對上述指示而言,適宜劑量當然視例如所用化合物、宿 主、投藥模式及欲治療病況之性質及嚴重性等而變化 '但 通常對動物以約0 · 1至約1 0 0,較好約0 · 5至約1 0 0毫克/公 斤動物體重之日劑量可獲得令人滿意之結果。對較大哺乳 類中,例如人類中,所示之日劑量為約1至約5 0 0,較好約 1至約3 0 0毫克本發明藥劑,方便每曰分成達4次之劑量投 藥或以持續釋出狀態投藥。 本發明藥劑可以任何習知路徑投藥,尤其腸内,較好口 服例如錠劑或膠囊態,或以注射溶液或懸浮液態非經腸道 投藥。 · 對上述指示而言,較佳化合物為實例1化合物。上述結 合測試中,該化合物以36 nM之Kb CRFi呈現CRF:拮抗活 性。上述升高走迷宮中,0.1至10毫克/公斤p.o.劑量(最 大為3毫克/公斤)明顯影響焦慮相關行為參數。與標準曱 氨二氮草相反,並未影響與動作刺激有關之參數,其表示 所觀察到之解焦慮效果不會造成一般之動作刺激。 依據前述,本發明亦提供本發明藥劑作為醫藥例如用以 治療由CRF誘發或促成之疾病(如上述者)之醫藥用途。 本發明又提供一種含有本發明藥劑及至少一種醫藥載體 或稀釋劑之醫藥組合物。此種組合物可以習知方式製造。 單位劑型含有例如約0 · 2 5至約1 5 0,較好0 . 2 5至約2 5毫克 本發明化合物。 再者本發明提供本發明藥劑用以製造供治療上述任何病 況之醫藥之用途。
第11頁 本發明γ、 療上述住‘進一步目的係提供—種對需此治療之受療者治 本發明藥g病况之方法,包括對受療者投與治療有效量之 下歹眷> γ t 實例1 : 5 σ兒明本务明。溫度為攝氏度且未校正。 啶〜4〜Λί’ 7〜二甲基一4一[2, 5 —二甲基-6-(二正丙基)胺基嘧 含4:]胺基—H3—苯并噻二唑 2, 1,^〜、氣二2, 5一二曱基嘧啶—6—基)胺基-5, 7-二甲基-甲基叫f Β島二嗤(3 · 5克)及二正丙胺(5 · 3 5毫升)之絕對 小時。使°各燒嗣(35毫升)溶液於密封瓶中在157。攪拌96 5 〇毫升次用薄層層析法追蹤反應。冷卻反應混合物,添。加 升)。7 /且水相以曱基第三丁基醚萃取2次( 2 x20 0毫一 三丁:μ:機相經脫水、蒸發並在石夕膠上使用環己烧/甲基第 醇再鈐曰V D : 1 )層析分離。蒸發適宜之區份且殘留物自甲 士 _ ’ 得標的產物。Mp = 117-119。。 4 7下逃製備起始物4-(4 -氯-2, 5 -二甲基嘧啶-6 -基)胺基 4>67/=二甲基-2,1,3-苯并噻二唑: 升)一甲基〜2, 1,3 —苯并噻二唑(7· 7克)溶於濃硫酸(20毫 ’攪拌下冷卻至0-5。並滴加硝酸(2. 5毫升; 1 · 5 2、 先· y。此透明溶液倒於冰上並濾出所得沉澱及以水, 所得5, 7 -二甲基-4 -硝基-2,1,3 -苯并噻二唑自環己烧 再結晶。Μρ=ι〇5-106。。 5’ 7—二甲·基-4 -硝基-2, 1,3-苯并噻二唑(20克)於水(2· 2 升)及乙醇(2.2升)中溫熱至沸騰並逐次添加連二硫酸 納(強烈放熱反應)。反應混合物立即於冰浴中冷卻及以乙
第12頁
O:\56\56961.PTD 509689 五、發明說明(ίο) 酸乙酯萃取。有機相經蒸發濃縮且殘留物自水中再結晶 得4 -胺基-5, 7 -二甲基-2, 1,3 -苯并噻二唑。 -
Mp-113»114 0 。 克)在氬氣下 喃(50毫升) 接著在3 0分 啶(4克)之絕 溫再授拌1 6小 甲醇洗。自甲 4 -胺基-5, 7-二甲基-2, 1,3 -苯并噻二唑(4 逐次添加至含氫化鈉(2 · 7 2克)之絕對四氫呋 55%分散液中。混合物在25- 30。攪拌3小時 鐘内於5。下滴加含4, 5-二氯-2, 5-二曱基嘧 對四氫呋喃(2 0毫升)溶液。反應混合物在室 時,小心添加冰水。所得沉澱以水洗及少量 基嘧啶_6-秦) 74- 1 77 0 。… 醇或環己烷再結晶後,得4-(4-氯-2, 5 -二甲 胺基-5,7-二曱基-2,1,3-苯并噻二唑。Mp = l 類似於實例1可製得下列式I化合物: a)下式化合物
R6 Rs \ / 5 N
實例 Ri Ri r3 R4 Rs R6 Mp 2 Me Me Me Me 正丙基 -ΟΗ2-環丙基 120-121° 3 Me Me Me H 正丙基 環丙基 124-127° * 4 Me Me Me H 正丙基 正丙基 177-179° * 5 Me Me Me Cl 正丙基 正丙基 106-108° 6 Me Me Me Cl 正丙基 -CHr環丙基 , 111-113° 7 Me Me Me Me 正丙基_ Et 101-102° 第13頁
509689 五、發明說明(π) 8 Me Me Me Me 正丁基 Et 83-84° * 9 Me Me Me Me -CH2CH2OCH3 -CH2CH2OCH3 70-73° 10 Me Me Me Me -CH2-CH(CH3)-CH3 -CH2-CH(CH3)-CH3 104-105° 11 Me Me Me Me 3-戊基 Η 113-115° 12 Me Me Me Me 2- 丁基 Η 88° 13 Me Me Me CN 正丙基 正丙基 171-173° 14 Me Me Me CN 正丙基 •CHr環丙基 165-167° 15 Cl Cl Me Me Me Et 116° 16 Cl Cl Me Me Me 正丁基 105° 17 Cl Cl Me Me Et Et 189-193°* 18 Cl Cl Me Me Et 正丙基 107° 19 Cl Cl Me Me Et 正丁基 101° 20 Cl Cl Me Me 正丙基 正丙基 118-121° 21 Cl Cl Me Me 正丙基 -CH2」環丙基 120-123° 22 Cl Cl Me Me 正丁基 正丁基 56° 23 Cl Cl Me Me 烯丙基 烯丙基 112° 24 Cl Cl Me Me · Η 苄基 126° 25 Cl Cl Me Me Me 苄基 138° 26 Me Cl Me Me 正丙基 正丙基 102-104° 27 Me Cl Me Me 正丙基 -CHr環丙基 131-132° 28 Cl Me Me Me 正丙基 -CHr環丙基 110-112° 29 Cl Me Me Me 正丙基 正丙基 112-114° 30 Cl H Me Me 正丙基 正丙基 77-80° 31 Me H Me Me 正丙基 正丙基 95-98°
Me=甲基;4 Εΐ=乙基;* :富馬酸鹽 11·· 第14頁 509689 五、發明說明(12) b )下式化合物
R6 R. \ / 5 N
實例 Ri Ri r3 R4 Rs ^6 Mp 32 Me Me Me Me 正丙基 正丙基 123° 33 Cl Me Me Me 正丙基 正丙基 100° 34 Me Me Me Me 正丙基 -CH〗-環丙基 < 105° - 35 Cl Me Me Me 正丙基 -CHr環丙基 86° 36 Me Me Me Me 正丙基 Et 102〇 37 Me Me Me Me 正丁基 Et 71°
Me=曱基;Et=乙基 c )下式化合物
R6 R5 \ / 5 N
胥例 Ri Ri r3 R4 Rs r6 Mp 38 Me Me Me Me 丙基 正丙基 94-96° 39 Cl Cl Me Me 正丙基 _ 正丙基1 126-128° 40 Cl Me Me Me 正丙基 丨正丙基 ,. 107-109° 509689 五、發明說明(13) 41 C1 Me Me Me 正丙基 -CH2-環丙基 115-117° 42 Me Me Me Me 正丙基 -CHr環丙基 105406, 43 Cl Cl Me Me 正丙基 -CH2-環丙基 126-127° 44 Cl Cl Me Me Et 正丙基 120-123° 45 Me Me Me Me Et 正丙基 109-110° 46 Cl Cl Me Me Et 正丁墓· 117-119° 47 Me Me Me Me Et 主丁墓 106-107°
Me=甲基;Et二乙基 d )下式化合物 R5 \ / 5
實例 X Ri R3 r4 Rs R. Mp 48 S Cl Me Me Et 正丁基 85° 49 S Cl Me Me 正丙基 -CH〗-環丙基 84° 50 CH=CH Br Me Me Et 正丁基 110° 51 CH=CH Br Me Me 正丙基 -CH2-環丙基 135°
Me二甲基;Et=乙基
Hill 第16頁 509689 五、發明說明(14) e)下式化合物
r2 ^Ν、 V 實例 X Ri r2 R3 R5 R6 r7 Rb Mp 52 S Me Me Me Et 正丁基 Me Me 90-92° 53 CH=CH Me Me Me Et 正丁基 Me ., Me 106-108° 54 S Me Me Me 正丙基 正丙基 Me Me 126-128° · 55 CH=CH - Me Me Me 正丙基 正丙基 Me Me 156-158° 56 S Cl Me Me 正丙基 正丙基 Me Me 135-136° 57 CH=CH Cl Me Me 正丙基 正丙基 Me Me 130-131° 58 S Cl Me Me Et 正丁基 Me Me 90-92° 59 CH=CH Cl Me Me Et 正丁基 Me Me 177-178°
Me=曱基;Et=乙基 f )下式化合物 實例 Ri Ri Rs R6 Mp 60 Me Me 正丙基 -CHr環丙基 234-237° *
Me=甲基;* :富馬酸鹽
第17頁 509689 案號88102726 f年I月丨Ί曰 修正
O:\56\56961.ptc 第18頁
Claims (1)
- 509689 修正 案號 88102726 六、申請專利範圍 1 . 一種呈游離鹼或酸加成鹽態之式I化合物公1告象 其中 X 為0,S,或CH = CH, I及1獨立為氫、鹵素或((^_4)烷基;及 Het為具下式(a),(e),及(m)之一之基 NH^6 (a) R5(c) R6、(m) 其中 R3為(Ch)烧基, R4為氫、鹵素、(c^)烷基、鹵素或氰基, R5及^獨立為氫、(Ch)烷基、(c3_7)烯基、(c3_7)環烷 基(Ch)烷基或烷氧基(C2-5)烷基, R7為(Ch)烷基,及 R8為(Ch)烷基。O:\56\56961.ptc 第19頁 509689 案號 88102726 曰 修正 t、申請專利範圍 2. —種呈游離鹼或酸加成鹽態之5, 7 -二甲基_4-[ 2, 5-二 甲基-6-(二正丙基)胺基嘧啶-4 -基]胺基-2, 1,3-苯并噻二 口全 ° 3 · —種製備根據申請專利範圍第1項之式I化合物或其鹽 之方法,包括使式I I化合物: R,N. 其中X,Ri及1?2如申請專利範圍第1項之定義,及Y為具 下式(a’),(e’),及(m’)之一之基: NH(Ο Hal(Ο Hal(η〇 其中R3至1係如申請專利範圍第1項之定義及Hal為鹵 素;與式I I I化合物在有機溶劑中,溫度範圍在1 0 0至2 0 0 °C下反應,反應時間1至5天: in R<O:\56\5696l.ptc 第20頁 509689 _案號88102726_丨年I月1Ί日 修正_ 六、申請專利範圍 其中R5 &R6如申請專利範圍第1項之定義;及使所得化 合物轉化成游離驗態或酸加成鹽態。 4.根據申請專利範圍第1或2項之呈游離鹼或酸加成鹽態 之化合物,其係作為醫藥品。 5 .根據申請專利範圍第1或2項之呈游離鹼或酸加成鹽態 之化合物,其係用於治療具增加内源性量之CRF或其中ΗΡΑ 失調之任何狀態或治療由CRF誘發或促成之疾病。 6. —種用於治療具增加内源性量之CRF或其中ΗΡΑ失調之 任何狀態或治療由CRF誘發或促成之疾病之醫藥組合物, 其包括根據申請專利範圍第1或2項之呈游離鹼或酸加成鹽 態之化合物以及醫藥載體或稀釋劑。O:\56\5696i.ptc 第21頁
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WO2011092293A2 (en) | 2010-02-01 | 2011-08-04 | Novartis Ag | Cyclohexyl amide derivatives as crf receptor antagonists |
ES2527849T3 (es) | 2010-02-02 | 2015-01-30 | Novartis Ag | Derivados de ciclohexilamida como antagonistas del receptor de CRF |
AR086554A1 (es) | 2011-05-27 | 2014-01-08 | Novartis Ag | Derivados de la piperidina 3-espirociclica como agonistas de receptores de la ghrelina |
CN104271579A (zh) | 2012-05-03 | 2015-01-07 | 诺华股份有限公司 | 作为生长素释放肽受体激动剂的2,7-二氮杂-螺[4,5]癸烷-7-基衍生物的l-苹果酸盐及其结晶 |
CA3039026A1 (en) | 2016-09-07 | 2018-03-15 | The Regents Of The University Of California | Allosteric corticotropin-releasing factor receptor 1 (crfr1) antagonists that decrease p-tau and improve cognition |
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FR2499991A1 (fr) * | 1981-02-19 | 1982-08-20 | Sandoz Sa | Nouveaux 2,1,3-benzothiadiazoles et 2,1,3-benzoxadiazoles, leur preparation et leur application comme medicaments |
KR0163624B1 (ko) * | 1992-04-28 | 1998-12-01 | 오노다 마사요시 | 신규의 치환된 3급 아미노 화합물 또는 이의 염 |
GB9323290D0 (en) * | 1992-12-10 | 1994-01-05 | Zeneca Ltd | Quinazoline derivatives |
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