TWI234563B - Process for the preparation of 2-(-4-alkyl-1-piperazinyl)-benzaldehyde and -benzylidenyl compounds - Google Patents
Process for the preparation of 2-(-4-alkyl-1-piperazinyl)-benzaldehyde and -benzylidenyl compounds Download PDFInfo
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- TWI234563B TWI234563B TW091119264A TW91119264A TWI234563B TW I234563 B TWI234563 B TW I234563B TW 091119264 A TW091119264 A TW 091119264A TW 91119264 A TW91119264 A TW 91119264A TW I234563 B TWI234563 B TW I234563B
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/04—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
- C07D295/112—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61P25/00—Drugs for disorders of the nervous system
- A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
- C07D279/12—1,4-Thiazines; Hydrogenated 1,4-thiazines not condensed with other rings
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
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1234563 經濟部智慧財產局員工消費合作社印製 五、發明説明(1 ) A7 B7 本發明係關於一種式I化合物 的新穎製備方法 R_ I Μ
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CHo Ο) 其中R1之定義如本交日p + X所述。本發明亦關於製備式II化 合物:
(II) 其中R1及R2之定義如本文所述。 其它製備式I化合物之方法已描述於國際專利公告 W0 98/144 33,發表於1998年4月9曰,全文在此并入參 考文獻。此技藝中以前的方法係使用芳基-六氫吡畊基縮合 法製 ia 式 I 化合物,描述於 Watthey et al.,J". Med. Chem., 1 983,26: 1 1 16-1 122 及 Reinhoudt et al.,Synthesis,1 987, 641-645。此類芳基-六氫吡哄基縮合法係使用極性非質子溶 劑,例如:二甲基亞硕或N,N_二甲基甲醯胺,以取得約40 至70%產率的式I產物。本發明方法使用水作爲溶劑而顯著地改良此類先前使 用的方法。水性溶劑的反應不僅反應產率較高,產生的產 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) (請先閲讀背面之注意事項再填寫本頁) -4 - 經濟部智慧財產局員工消費合作社印製 1234563 A7 ___B7 五、發明説明(2 ) 物純度亦較高且產物較易分離。以廢棄物管理及環境的觀 點而言水更是合宜的溶劑。式I化合物是製作式II化合物 之方法的中間物。 式II化合物及其醫藥學上可接受的鹽類亦描述於國際 專利公告W0 98/1 4433,以本發明方法製作之化合物適用 於作爲5-羥色胺1(5-HT1)受體的選擇性促效劑及拮抗劑, 特別是5-HT1A& 5-HT1D受體。此類化合物可用於治療高 血壓、所有形式之沮喪(例如:癌症病患之沮喪、巴金生氏 症病患之沮喪、後心肌梗塞之沮喪、次症候群性症候性的 沮喪、不孕症婦女之沮喪、小兒沮喪、重度抑鬱的病症、 單一發作性沮喪、復發性沮喪、兒童成癮誘發的沮喪、產 後抑鬱症、心理沮喪;含或不含非典型的特色、黑膽酸的 特色、精神病的特色、緊張症的特色之輕微的、中度、或 重度沮喪;季節型情緖性病症、老年人沮喪、慢性沮喪; 心情憂慮或焦慮及心情憂慮之適調性病症;混合型焦慮及 沮喪;物質誘發的心情病症;以及一般醫學症狀之續發性 心情病症、兩極型病症(包括沮喪相)、全身性的焦慮病症、 社會焦慮、分離焦慮病症、恐懼症(例如:廣場恐怖症、社 會恐怖症以及單純的恐懼症)、受傷後的緊迫症候群、自閉 性人格病症、早洩、攝食病症(例如:暴飮暴食病症、神經 性厭食症以及貪食症)、肥胖、化學藥品上癮(例如:酒精、 古柯鹼、海洛英、苯巴比妥、大麻、尼古丁以及一氮七銃 成癮)、偏頭神經痛、偏頭痛、疼痛、阿茲海默氏症、強迫 性妄想病症;含及不含廣場恐怖症之恐慌症;記憶病症(例 本紙張尺度適财關家縣(CNS ) A4規格(210X297公釐) -- - 5- (請先閲讀背面之注意事項再填寫本頁)
1234563 經濟部智慧財產局員工消費合作社印製
R1 I
A7 B7 五、發明説明(3 ) 如:痴呆症、健忘症、及與年齡相關的認知的衰退(ARCD)) 、帕金森氏病(例如:帕金森氏病痴呆症、安定藥誘發的帕 金森氏徵候群以及遲發的遲發性運動困難)、內分泌病症(例 如:激乳素過多症)、血管痙攣(尤其是大腦的血管)、小腦 的運動失調、胃腸道病症(包含改變能動性及分泌)、精神分 裂症負性的症狀、月經前症、纖維肌風濕病症候群、緊迫 性尿失禁、杜萊德氏(Tourette、)症候群、拔毛髮狂、偷竊 狂、雄性陽萎、癌症(例如:小細胞肺臟癌)、慢性的陣發的 偏頭痛、頭痛(相關於血管病症)自閉症、倒錯性發生的病症 NOS、Asperger’s病症、選擇性啞症、慢性的運動或發聲病 症、驅體化病症、不眠症、間歇性發作之病症、焦狂躁、 病理性賭傅、控制神經衝動之病症、月經前煩躁不安病症 、及注意力損害/過動症病症(ADHD)、及其它與5-HT促效 劑或拮抗劑相關之病症。 本發明槪要 本發明係關於製備式I化合物之方法: A^ch〇 u 其中R1爲(C^Cd烷基;其係包含將式in化合物: 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) (請先聞讀背面之注意事項再填寫本頁)
-6- 1234563 A7 B7 五、發明説明(4 )
6CHO (丨丨丨) (請先閱讀背面之注意事項再填寫本頁) 與式IV化合物:
在水及金屬碳酸鹽存在下反應之步驟。 經濟部智慧財產局員工消費合作社印製 本發明的較佳具體實施例中,式IV化合物與式III化 合物於反應中之莫耳比係在1.0至2.0之範圍。更佳的具體 實施例中,式IV化合物與式III化合物於反應中之比例大 約爲1.8。本發明方法中之金屬碳酸鹽較佳者爲鹼金屬碳酸 鹽,更佳者爲碳酸鉀或鈉,最佳者爲碳酸鉀。較佳者,金 屬碳酸鹽與式III化合物之莫耳比係在2.0至1.2之範圍; 更佳者,金屬碳酸鹽與式III化合物之莫耳比大約爲5。 較佳者,反應中水存在之體積爲4毫升至30毫升/克之2-氟苯甲酸(式III);更佳者爲6毫升至30毫升/克之式ΠΙ化 合物;最佳者爲8.0毫升/克之式III化合物。 較佳的具體實施例中,本發明係關於製備式Ϊ化合物 之方法,其中R1爲甲基、乙基或丙基。 更佳的具體實施例中,本發明係關於製備式I化合物 之方法,其中R1爲甲基。 本發明進一步的係關於製備式I化合物氫氯酸鹽之方 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) 1234563 A7 B7 五、發明説明(5 ) 法’包含使式I化合物與溶於水性烷醇中之醯基氯或氣態 HC1反應。較佳之醯基氯爲乙醯氯,而較佳之烷醇爲異丙 醇。 (請先閲讀背面之注意事項再填寫本頁) 本發明亦關於製備式II化合物之方法: R1
I
其中R1之定義如上,R2爲_(CH2)mB,其中m爲〇、1 、2或3,B爲苯基或萘基,其中各前述的苯基及萘基基團 可視需要經一個或多個取代基取代,取代基係獨立選自: 氯、氟、溴、碘、(CVC6)烷基、(Cl-C6)烷氧基、(G-C6)烷 氧基- (CtC6)烷基-、三氟曱基、三氟甲氧基、以及氰基; 其步驟包含 使式I化合物氯化氫鹽在鹼存在下於適當的溶劑中與 式V化合物反應:
經濟部智慧財產局員工消費合作社印製 其中R2之定義如上。 製作式II化合物之方法中較佳之鹼基是鹼金屬氫氧化 物、鹼金屬氫化物、鹼金屬碳酸鹽或鹼金屬烷基胺、或鹼 金屬胺;更佳之鹼基是氫化鈉、氫化鋰、氫氧化鋰、曱醇 本紙張尺度適用中國國家標準(CNS ) A4規格(210'乂 297公釐) -8- 1234563 A7 ________B7 五、發明説明(6 ) (請先閲讀背面之注意事項再填寫本頁) 鈉、異丙氧化鋰、第三-丁氧化鉀、二異丙基醯胺鋰;最佳 之驗基是氫氧化鋰或氫化鈉,而更佳之鹼基是氫氧化鋰單 水合物或無水的氫氧化鋰。此步驟中較佳之適當溶劑是異 丙醇或甲苯,更佳者是甲苯。 較佳的具體實施例中,本發明係關於製備式π化合物 之方法,其中R2爲苯基,可視需要經一個或多個取代基取 代,取代基係獨立選自:氯、氟、溴、碘、(Ci_C6)烷基、 (Ci-C6)烷氧基、CVC6)烷氧基-(CVC6)烷基·、三氟甲基、三 氟甲氧基、及氰基。 更佳的具體實施例中,本發明係關於製備式Π化合物 之方法,其中R爲本基,可視需要經_*個或多個取代基取 代,其取代基係獨立選自:氯、氟、溴、或碘。 最佳之具體實施例中,本發明係關於製備式II化合物 之方法,其中R爲3,4_ 一^氯基苯基。 本發明亦關於製備式II化合物之方法:
經濟部智慧財產局R工消費合作社印製 其中R1爲(Κ6)烷基以及R2爲-(CH2)mB,其中m爲 0、1、2或3以及B爲苯基或萘基,其中各前述的苯基及 萘基基團可視需要經一個或多個取代基取代,取代基係獨 立選自:氯、氟、溴、碘' (Ci-C6)院基、(Ci-C6)院氧基、 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -9 -
CHO
I N
[234563 A7 B7 五、發明説明(7 ) (Ci_C6)烷氧基-(Ci-C6)烷基-、三氟甲基、三氟曱氧基、及 氰基;包含以下之步驟 (i)使式III化合物: (III) 與式IV化合物: (IV) 在水及金屬碳酸鹽存在下反應: (ii)將步驟(i)形成之式I化合物 (請先閱讀背面之注意事項再填寫本頁)
經濟部智慧財產局員工消費合作社印製 其中R1之定義如上,與溶於水性烷醇中之醯基氯或氣 態鹽酸反應; (iii)將步驟(ii)形成之式I化合物氯化氣鹽在驗、適當 的溶劑存在下與式V化合物反應:
本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) -10- 1234563 Α7 Β7 五、發明説明(8 ) 其中R2之定義如上。 (請先閱讀背面之注意事項再填寫本頁) 較佳者此三步驟中,R1爲甲基,R2爲3,4-二氯基苯基 基團。此外,步驟ω中較佳之金屬碳酸鹽是鹼金屬碳酸鹽 ,更佳者是碳酸鉀或鈉,最佳者是碳酸鉀。較佳者在步驟 (i)中金屬碳酸鹽與式III化合物之莫耳比係在2.0至1.2之 範圍;更佳者,金屬碳酸鹽與式III化合物之莫耳比大約是 1.5° 較佳者在步驟(Π)中使用之醯基氯,較佳者爲乙醯氯, 較佳之烷醇爲異丙醇。製作式II化合物之方法的步驟(iii) 中較佳之鹼基是氫化鈉、氫化鋰、氫氧化鋰、甲醇鈉、異 丙氧化鋰、第三-丁氧化鉀、二異丙基醯胺鋰;最佳之鹼基 是氫氧化鋰或氫化鈉;更佳的鹼基是氫氧化鋰單水合物或 無水氫氧化鋰。此步驟中較佳之適當溶劑是異丙醇或甲苯 ,更佳者是甲苯。 本發明亦關於製備式II化合物檸檬酸鹽之方法,包含 在適當的溶劑中攪拌式II化合物與檸檬酸之步驟。較佳之 適溶劑是(Ci-Cd烷醇;更佳者是異丙醇。 經濟部智慧財產局員工消費合作社印製 本文中之”烷基”若未特別說明,則包括飽和一價烴自 由基,其具有直鏈的、分支的或環部份或其結合物。本文 中”鹵基”或”鹵素”若未特別說明係指氟、氯、溴或碘。 本文中π適當的溶劑”若未特別說明,係指可大幅溶解 特定物質、化合物或試劑而使該物質或化合物形成一種均 勻分散的分子或離子混合物。 本文中”醫藥學上可接受的鹽"若未特別說明,意指質 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ 297公釐) -11 - 1234563 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明説明(9 ) 子酸之酸加成鹽(如本文之定義)或酸加成鹽之水合物。本文 中之M質子酸’’係用於製備本發明化合物之酸加成鹽,形成 無毒的酸加成鹽,即內含藥理上可接受的陰離子之鹽類, 包括例如:氯化氫鹽、溴化氫鹽、硫酸鹽、重硫酸鹽、憐 酸鹽、酸磷酸鹽、乙酸鹽、乳酸鹽、檸檬酸鹽、檸檬酸鹽 、酒石酸鹽、二酒石酸鹽、琥珀酸鹽、順丁烯二酸鹽、反 丁烯二酸鹽、葡萄糖酸鹽、蔗糖酸鹽、苯甲酸鹽、甲磺酸 鹽、乙烷磺酸鹽、苯磺酸鹽、對-甲苯磺酸鹽及甲基東萬楚 酸鹽(即1,1·-亞甲基-雙_(2-羥基-3-萘酸鹽))鹽類。 M治療”意指(並包括):逆轉、緩和、抑制、或預防疾病 、病症或症狀、或一種或多種症狀之進展;"治療方式"及·, 醫療上”意指上述定義的治療行爲。 發明之詳細描述 本發明包含製備式I化合物之改良方法,使用水作爲 溶劑替代有機溶劑,例如:二甲基亞碾(DMSO)、Ν,Ν·二甲 基甲醯胺(DMF)、Ν,Ν-二甲基乙醯胺(DMA)或Ν-甲基-2-吡 咯啉酮(NMP)等先前用於製作該化合物之溶劑。若未特別說 明,參數R1及R2之定義如上述說明。 本纸張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) Γ請先閑讀背面之注意事^再填寫本頁j
-12- 1234563 A7 B7
(ii) (CfC^)院基-C 0 C1 ------^ 或HCI
(請先閲讀背面之注意事項再填寫本頁) 裝· 圖解1中之步驟(i),式III化合物以及式IV化合物可 在鹼基水溶液之水溶劑存在下反應。反應中較佳之式1v化 合物與式III化合物的化學計量比例是1.0至2.0,更佳者 約1 . 8。較佳之水溶性鹼基是金屬碳酸鹽,更佳者是鹼金屬 碳酸鹽,最佳者是碳酸鉀。此外,較佳的金屬碳酸鹽與式 III化合物的化學計量比例爲1.0至1.5 ;更佳之反應比例爲 1.5。此外,反應中之水體積較佳者介於4至30毫升/克之 式III化合物之間;更佳者介於6至12毫升/克之間;最佳 者約8毫升/克。反應在回流(1 00- 1 05 °C )下進行並用監測技 術例如HPLC監測直到完全爲止,然後冷卻及萃取。萃取 之有機溶劑爲例如二氯甲烷。若在上述反應條件下2-氟苯 甲醛係用化合物(例如:)2-氯苯甲醛或3-氟苯甲醛替代,貝[J 此類化合物仍未反應,且在反應混合物中未偵測到產物增 加。然而,4 -氟苯甲醛化合物卻可在相似條件下反應且能 本纸張尺度適用中國國家標隼(CNS ) Α4規格(210Χ 297公釐)
,1T 經濟部智慧財產局員工消費合作社印製 -13 - 1234563 A7 ------B7 五、發明説明(11) 產生一種高產率的取代產物(參閱實施例2)。 (請先閲讀背面之注意事項再填寫本頁) 表1中提出許多本發明方法中使用甲基六氫吡畊作爲 式IV化合物之反應條件。最高產量係使用碳酸鈉及鉀作爲 水溶性的驗基。以式ΙΠ化合物之莫耳當量計算基準時,最 k反應係在1. 5至2.0當量之甲基六氫吡畊以及約1 . 5當量 之碳酸鹽下進行。 表1.製備式I化合物. 驗 (IVXRUMe) (HI) 水《升/克⑽) 時間(h) Temp(C) 產率 Na2C03(1.5) 1.8 1.0 8.0 23.5 102 96% Na2C03(1.5) 1.5 1.0 10.0 20 100 96% NaOH(1.5) 2.0 1.0 12.0 18 100 30% NaOH(1.5) 2.0 1.0 8.0 17 102 油〜89% Na2CO3(1.0) 2.0 1.0 8.0 20 102 94% Na2C03(1.5) 4.0 1.0 純淨(無h20) 19.5 115-120 7% K2C03(1.5) 1.8 1.0 8.0 22.5 100-104 96% K2C03(1.5) 1.8 1.0 8.0 21 100-103 96% 經濟部智慧財產局員工消費合作社印製 圖解1之步驟(ii)是製備式I化合物(式I,)之氯化氫鹽 。將式I化合物在周圍溫度下溶於烷酸溶劑水溶液中,較 佳者異丙醇水溶液,更佳者5%以下之異丙醇水溶液,最佳 者1.0%異丙醇水溶液。在溶液中加入醯基氯(((^-(:“烷基-COC1),較佳者乙醯氯。此步驟中較佳之醯基氯與式I化合 物化學計量的比例爲1 .〇至1.5。反應混合物形成漿液,然 本紙張尺度適用中國國家標準(CNS ) A4規格(21〇X297公釐) -14 - 1234563 A7 ___ B7 五、發明説明(12) 後冷卻至約〇°c,然後予以硏磨及過濾。此外,式I化合物 之氯化氫鹽可以用將約1.0當量之氣態HC1溶解於<1.0%異 丙醇水溶液或乙酸乙酯中而製備成。 將式I化合物與內含適當溶劑(例如四氫呋喃)之酸反應 可形成其它式I化合物之水溶性鹽類。雖然產量良好,但 以式I化合物氯化氫鹽類在製備式II化合物之反應條件下 成效最好。 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製
HCI R I CH〇 + /N (Γ) (iii)驗
、S (V)
R
圖解II中將式I化合物經醛醇縮合條件(步驟(Hi))轉換 成式II之化合物。在醛醇縮合作用中,式Γ化合物(式I化 表2.製備式I化合物之檸檬酸鹽、對-甲苯磺酸及甲磺醯鹽 鹽類。 酸 化合物(I) 溶劑(升/公斤(1)) 時間⑻ 溫度。c 分離之產率 檸檬酸〇·〇) 1.0 THF(22) 16 20-25 98% p-TSA(l.O) 1.0 THF(15) 1 20-25 82% MsOH(l.O) 1.0 THF(15) 1 20-25 83% 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -15- 1234563 A7 _ B7 五、發明説明(13) (請先閱讀背面之注意事項再填寫本頁) 合物氯化氫鹽,其中R1之定義如上,與式V化合物,R2之 定義如上,在鹼存在下反應。移除水的技藝可包含使用分 子篩或Dean-Stark阱將與溶劑共沸產生的水分離。醛醇反 應一般係在極性溶劑中,例如:DMSO、DMF、四氫呋喃 (THF)、THF/三乙胺、異丙醇、甲醇或乙醇,於溫度約-78 °C至約80°C下進行。醛醇形成反應步驟中的適當鹼包括: 鹼金屬氫氧化物、氫化物、碳酸鹽或烷基胺、或胺類本身 ,更佳之鹼基爲:氫化鈉、氫化鋰、氫氧化鋰、甲醇鈉、 異丙氧化鋰、第三-丁氧化鉀、二異丙基醯胺鋰;最佳的鹼 基爲氫氧化鋰或氫化鈉,更佳的鹼基是氫氧化鋰單水合物 或無水的氫氧化鋰。步驟中較佳之適當溶劑是異丙醇或甲 苯,更佳者是甲苯。醛醇縮合作用已描述於"Modern Synthetic Reactions," Herbert 0. House, 2d. Edition, W.A. Benjamin, Menlo Park, California, 629-682 (1972)及 Tetrahedron, 3 8 (20); 3059 (1 982) o 經濟部智慧財產局員工消費合作社印製 在以例如:TLC、HPLC、或任何其它適當的偵測方法 證實醛醇反應已完全進行之後,最宜將反應混合物冷卻至 0-5 °C,硏磨1至2小時然後過濾。含溶劑之塊狀物在水中 形成漿液並添加濃HC1將酸鹼度調至約7-8。冷卻所形成之 漿液,經過硏磨,然後過濾所產生的產物。 如上述,當使用較佳的鹼基(氫氧化鋰單水合物)時, 氫氧化鋰與反應物之化學計量可介於1.2至5.0當量,但完 成反應之時間將加倍。醛醇反應可用氫氧化鋰催化。値得 注意的是,在異丙醇中當用氫氧化鉀催化式I’化合物與式 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) -16- 1234563 經濟部智慧財產局員工消費合作社印製 A7 ______ ___B7 五、發明説明(14) V化合物(其中R2爲二氯基苯基)之醛醇反應時,其產量會 顯著降低。氫氧化鉀主要的副反應是會使噻嗎啉酮環水解 ° ~^旦製備成式II化合物,其可與適當的質子酸反應而形 成醫藥學上可接受的酸加成鹽,尤佳者是式II化合物之檸 檬酸加成鹽。 熟悉此技藝的專業人士可以上述反應方法之組合用以 製備在前述實驗章節中未特別描述的其它本發明之化合物 〇 以上各圖解I以及II中討論或說明之反應,其壓力若 未特別說明即不具關鍵性。一般而言,壓力約0.9大氣至約 2大氣是可接受的,以便利性而言常壓(即約1大氣)爲較佳 〇 本發明亦關於使用本發明方法在列舉的式I或II化合 物,或其醫藥學上可接受的鹽類上標記同位素,但事實上 天然界中有許多同位素與原子之原子量或質量數不同可進 行取代。可倂入本發明化合物或其鹽類之同位素的實施例 ,包括:氫、碳、氮、氧、磷、氟及氯之同位素,例如·· 分別爲 2h、3H、13c、14c、15n、170、180、31P、32P、35s 、18F 以及 36C1。 以某些同位素(例如倂入放射性同位素3H及14c)標記 的本發明化合物的製程,適用於(例如)製成應用於藥物及/ 或受質組織分佈測定之化合物。因爲易於製備及偵測,氚 化的(即3H)及碳-14(即14c)同位素尤佳。此外,由於用較重 的同位素(例如氘,即2H)取代有代謝穩定性,所以有某些 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) ---------批衣------1T------^ (請先閱讀背面之注意事項再填寫本頁) -17- 1234563 A7 _____ B7 五、發明説明(15) 治療的優點,例如增加活體內半生期或降低劑量需求,因 此,在一些情況下爲較佳。 (請先閱讀背面之注意事項再填寫本頁) 式II化合物之活性、測試活性之方法、劑量、劑型、 投藥方法及背景資料可參見國際專利公告第WO 9 8/1 44 3 3 號,發表於1998年4月9日。使用本發明方法製備成之式 Π化合物醫藥學上可接受的鹽類對5-羥色胺-1受體展現顯 著的促效以及拮抗活性,且具有治療上述各種臨床症狀之 價値。 式II之活性化合物及其醫藥學上可接受的鹽類可經口 月艮、非經腸(例如:靜脈內地、肌肉內的或皮下的)、經皮的 或塗覆的路徑投用於晡乳動物。本發明組成物可用習見的 方法以一個或多個醫藥學上可接受的載體調製。因此本發 明之活性化合物可調製成口服的、口頰的、鼻腔內的、非 經腸的(例如、靜脈內的、肌肉內的或皮下的)或直腸的投藥 形式或適用於吸氣或吹藥投藥之形式。 經濟部智慧財產局員工消費合作社印製 口服投藥的藥學組成物形式可爲,例如:藥片或膠囊 ,其可與醫藥學上可接受的賦形劑,例如:黏結劑(例如未 明膠化的玉米澱粉、聚乙烯基吡咯烷酮或羥基丙基甲基纖 維素);塡充劑(例如乳糖、微晶粒纖維素或磷酸鈣);潤滑 劑(例如硬脂酸鎂、滑石粉或矽土);崩解劑(例如:馬鈴薯 澱粉或澱粉乙醇酸鈉);或溼化劑(例如:月桂基硫酸鈉)以 習見的方法製備。藥片可用已知的技藝塗覆。口服投藥的 液體製劑形式可爲,例如:溶液、糖漿或懸浮液,或彼可 爲乾燥產物在使用之前用水或其它適當的載劑構成。該液 本紙張尺度適用中國國家標準(CNS ) A4規格(21〇X297公釐) -18- 1234563 A7 B7 五、發明説明(16) (請先閲讀背面之注意事項再填寫本頁) 體製劑可與醫藥學上可接受的添加劑,例如懸浮劑(例如: 山梨糖醇糖漿、甲基纖維素或可食用的氫化脂肪);乳化 劑(例如:卵磷脂或阿拉伯膠);非水溶性載劑(例如:杏仁 油、油性酯類或乙醇);以及防腐劑(例如··甲基或丙基對-羥基苯甲酸鹽或己二烯酸)用習見的方法製備。 本發明活性化合物可調製成非經腸道的注射方法給藥 ,包括使用習見的插入導管技藝或灌入。注射調配物可爲 單位劑量形式,例如於安瓿或多劑量容器中並添加防腐劑 。組成物可爲懸浮液、溶液或油性或水性載劑之乳狀液形 式,且可含有調配劑,例如:懸浮、安定及/或分散劑。此 外,有效成份可爲在使用之前與適當的載劑,例如:滅菌 之無熱原水重新調製之粉末形式。 本發明活性化合物亦可調製成直腸用的組成物,例如 :栓劑或滯留灌腸劑,例如內含習見的栓劑,例如可可油 或其它甘油酯。 經濟部智慧財產局員工消費合作社印製 以鼻腔內投藥或吸氣投藥時,本發明活性化合物易於 以溶液或懸浮液的形式從擠壓或泵之泵噴灑容器或使用適 當的推進劑(例如:二氯二氟甲烷、三氯氟甲烷、二氯四氟 乙烷、二氧化碳或其它適當的氣體)從加壓的容器或噴霧器 中使氣溶膠噴灑運送至病患。當使用加壓的氣溶膠時,可 提供劑量單位瓣膜測定運送的計量。加壓的容器或噴霧器 可含有活性化合物溶液或懸浮液。應用於吸入器或吹藥器 之膠囊及卡式管(例如用明膠製成)可調製成內含本發明化合 物以及適當的粉末例如乳糖或澱粉之粉末混合物。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -19- 1234563 A7 經濟部智慧財產局員工消費合作社印製 B7五、發明説明(17) 本發明活性化合物對一般成年人治療以上症狀(例如沮 喪)之口服的、非經腸的或口頰的投藥劑量爲0.1至200毫 克有效成份/單位劑量,例如每天1至4次。一般成年人治 療以上症狀(例如偏頭痛)之氣溶膠調配物較佳者是各計量的 劑量或”噴出"之氣溶膠含有20微克至1 000微克之本發明 化合物。氣溶膠之每日總劑量範圍在1 〇〇微克至1 〇毫克。 可每日分數次投藥,例如:2、3、4或8次,各次得到例如 、1、2或3個劑量。 在同時使用本發明活性化合物與5-HT再攝入抑制劑( 較佳者爲舍曲林)治療病患上述任何症狀時,此類化合物可 單獨投用或與先前所述路徑之醫藥學上可接受的載體結合 ,該投藥可以單一及多重劑量的方式進行。更明確的說, 活性成份的組合可爲各種不同投用劑型,即彼可合倂各種 醫藥學上-可接受的惰性載體,以藥片、膠囊、錠劑、喉片 、硬糖果、粉末、噴霧狀物、懸浮水溶液、注射溶液、酏 劑、糖漿等的形式投用。該載體包括固體稀釋劑或塡充劑 、滅菌之水溶液以及各種無毒的有機溶劑等。此外,該口 服藥學調配物可用該目的之各種藥劑型態適當地甜化及/或 風味化。一般而言,該劑型中式I化合物存在之濃度含量 介於總組成物之0.5%至約90%,即該劑型中該含量足以充 分提供所要求的單位劑量及5-HT再攝入抑制劑(較佳者爲 舍曲林)之濃度含量介於總組成物之0.5 %至約9 0 %,即該含 量足以充分提供所要求的單位劑量。 組合調配物(內含本發明活性化合物及5 -HT再攝入抑 (請先閱讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) -20- 1234563 A7 _____B7 五、發明説明(18) (請先閲讀背面之注意事項再填寫本頁) 制劑之調配物)中提供治療一般成年人以上症狀之本發明活 性化合物之口服的、非經腸的、直腸的或口頰的投藥之每 日劑量約0.0 1毫克至約2 ο ο 〇毫克,較佳者投用約〇. 1毫克 至約2 0 0毫;克之式I有效成份/單位劑量,例如每天1至4 次。 實施例 本發明係用下列實施例說明。然而本發明並非僅限於 此類實施例的特定細節。 實施例1 2_(4_甲基-1-六氫吡啡基)苯甲醛 經濟部智慧財產局員工消費合作社印製 將碳酸紳(8.3克,60毫莫耳)及1-甲基六氫啦啡(7.2克 ,72毫莫耳)溶於40毫升之水中,然後添加2-氟苯甲醛 (5.0克,40毫莫耳)。將混合物在氮氣下加熱回流(1〇〇_1〇4 °C )2 2.5小時,由HPLC顯示反應已完全。將溶液冷卻至 20-25°C,然後用二氯甲烷(2x40毫升)萃取。合倂二氯甲 烷萃取液,用水淸洗(2x 50毫升),然後減壓下濃縮成黃色 油狀物(7.8克,產率96%)。4 NMR(CDC13)顯示黃色油狀 物本質上是純的標題化合物,且1H NMR光譜與文獻値一 致(Walters et al.5 Synthesis,1 987: 641)。13C NMR(CDC13) 5 191.70, 135.25, 129.94, 128.84, 122.84, 119.23, 55.34, 54.20,以及 46.33。 實施例2 4-(4-甲基-卜六氫吡哄基)苯甲醛 本纸張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -21 - 1234563 A7 B7 五、發明説明(19)
f請先閱讀背面之注意事項再填寫本百C 將碳酸鉀(3.3克,24毫莫耳)及卜甲基六氫吡啡(2.8克 ,29毫莫耳)溶於16毫升之水中然後加入4_氟苯甲醛(2.0 克,16毫莫耳)。混合物在氮氣下加熱回流( 1 00- 1 03 °C )21 小時,由HPLC顯示反應已完全。將溶液冷卻至20_25°c然 後用二氯甲烷萃取(2x30毫升)。合倂二氯甲烷萃取液,用 水淸洗(2 X 30毫升),然後在減壓下濃縮成黃色油狀物(3.1 克,96%產率)。在己烷中硏碎粗固體得到結晶。《^60.5-62.CTC。4 NMR(CDC13)5 9.77(s,1H),7.74(d,J=10 H2, 2H),6.91(d,J=l〇 H2, 2H),3.40(m,4H),2.53(m,4H),以及 2.34(s,3H)。 實施例3 2-(4-甲基-1-六氫吡哄基)苯甲醛氯化氫 經濟部智慧財產局員工消費合作社印製 將2-(4-曱基-1-六氫吡啡基)苯甲醛(7.8克,38毫莫耳) 在2 0-25艽、氮氣下溶於〇.1%異丙醇(62毫升)水溶液,然 後緩慢的添加2.8毫升(40毫莫耳)之純淨的乙醯氯。將產 生的漿液冷卻至0-5 °C,硏磨1小時然後過濾。濾餅依序用 冷卻的(〇-5°C )異丙醇(8毫升)、己烷(16毫升)淸洗,然後 在25-3 0°C、真空中乾燥。得到標題化合物(7.9克,83%產 率)之淡黃色固體。視須要標題化合物可從回流異丙醇(6升 /公斤固體)再結晶得到棒狀結晶(mp 22 5-226°C ),回收後有· 93%產率。4 NMR(CDC13)5 12.3(s,1 H),10.1(s,1 H), 7.71(m,1 H),7.69(m,1 H),7.15(m,1 H),7.05(m,1 H), 3.62(m,2H),3.51(m,2H),3.26(m, 4H),以及 2.86(s,3H). 13C NMR(CDC13) 5 191.24,1 52.24,1 3 5.70, 1 34.3 0,1 28.5 5, 本紙張尺度適用中國國家標準(CNS ) A4規格(21 OX 297公釐) -22- 1234563 A7 _ B7 五、發明説明(20) 124.03,119.75,54.00, 49.94 及 43.74 〇 C12H16N20 HC1 之分 析値爲:C,59.87 ; H,7.12 ; N,11.64。實際値爲:C, (請先閲讀背面之注意事項再填寫本頁) 59.98 ; H,7.23 ; N, 1 1.65。 在上述程序中,1.0-1.5當量之乙醯氯可成功地得到絕 佳品質產率89-90%的標題化合物。此外,標題化合物從 1.0當量之氣態HC1溶於0.1 %異丙醇溶液可製備91%產率 之產物或從1.0當量氣態HC1溶於乙酸乙酯可製備96%產 率之產物。使用氣態HC1製備的鹽類其品質與乙醯氯方法 相當。 實施例4 (Ζ)-4-(3,4·二氯基苯基)-2-[2-(4-甲基-1-六氫吡 畊基)-亞苄基]-3-噻嗎啉酮 經濟部智慧財產局員工消費合作社印製 Α.在氮氣下,將2_(4_甲基-1-六氫吡畊基)-苯甲醛氯 化氫(2 5.0克,104毫莫耳)、4-(3,4-二氯基苯基)-3-噻嗎啉 酮(27.3克,1〇4毫莫耳)、及無水的氫氧化鋰(7.5克,313 毫莫耳)加入100毫升異丙醇中。攪拌混合物、在35-40 °c 下加熱4 1小時,由HPLC指出反應已完全。將混合物冷卻 至20-2 5 °C並加入100毫升水。加入濃HC1將酸鹼度調至 7-8。將漿液冷卻至〇-5t,硏磨2小時,然後過濾。濾餅 用50毫升異丙醇/水(1 : 1)混合物淸洗,然後在周圍溫度下 空氣乾燥,生成38.3克(82%產率)之黃色針狀產物,mp 1 66.5- 1 67°C。黃色針狀產物的光譜及物理性質與真正的樣 本相同。 B·在氮氣下合倂2-(4-甲基-1-六氫吡畊基)苯甲醛氯化 本纸張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -23- 1234563 A7 B7 五、發明説明(21) 氬(25.0克,104毫莫耳),4 3,4二氯基苯基)_3_噻嗎啉酮 (27.3克,104毫莫耳)、氫氧化鋰單水合物(6.55克,I56毫 莫耳)及甲苯(75毫升),然後加熱至回流(no—iut:)。使用 Dean Stark裝置以冷卻的甲苯/水共沸法持續移除水。反應 混合物在回流下加熱20.5小時,HPLC顯示反應已完全。 將混合物冷卻至0-5 °C,在增強攪拌下加入12.5毫升之甲 苯。將漿液在〇-5t下硏磨2小時,過濾,用25毫升冷卻 的甲苯淸洗濾餅。分離固體,懸浮於400毫升水,加入濃 HC1將漿液之酸鹼度調至7_8。過濾固體,用100毫升水淸 洗,然後在周圍溫度下乾燥以生成42.1克(90%產率)之純標 題化合物。 C·在氮氣下60%NaH礦物油(195毫克,4.8毫莫耳)懸 浮液中加入4毫升THF,然後維持在氮氣下於20分鐘內在 NaH/THF混合物中緩慢的力[]入2-(4-甲基-1 -六氫吡_基)苯 甲醛(〇.82克,4.0毫莫耳)及4(3,4-二氯基苯基)-3-噻嗎啉 酮(1.1克,4.0毫莫耳)之9毫升THF溶液。將混合物加熱 至30_35°C並釋出H2氣體30分鐘。將混合物在3 0-3 5 °C下 再加熱30分鐘,然後冷卻至室溫,加入水終止反應(20毫 升)。用9毫升IN HC1將酸鹼度調至1.8,生成之溶液在 2 0-25 t下攪拌2小時。將酸鹼度用IN NaOH調至約7.7以 沉澱出黃色流體漿液。固體在20-25t下硏磨2小時,冷卻 至〇-5°C並過濾。固體用水(5毫升)淸洗,在40°C下真空中 乾燥得到1.6克之黃色針狀標題化合物(89%產率)。 D.在20-25 °C、氮氣下,加入三乙胺(4.2克,41.7毫 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) 裝------訂------線
經濟部智慈財產局員工消費合作社印製 -24- 1234563 A7 B7 五、發明説明(22) 莫耳)至2-(4-甲基-1-六氫吡啡基)苯甲醛氯化氫(10.0克, (請先閲讀背面之注意事項再填寫本頁) 41 : 7毫莫耳)100毫升之乾燥THF的攪拌懸浮液中。漿液 在室溫下攪拌1小時然後過濾。在20-2 5°C下於THF濾液 中加入4-(3,4-二氯基苯基)-3-噻嗎啉酮(11.1克,42.4毫莫 耳)及2.0克之60%NaH(50.3毫莫耳,1·2當量)礦物油懸 浮液。加入NaH後釋放出一些氫。將混合物加熱至30-3 5 t,維持此溫度2小時,HPLC顯示反應已完全且氫產生已 停止。將溶液冷卻至室溫並加入340毫升水。用6N HC1將 酸鹼度調至大約7.5以生成漿液,在下攪拌1小時。 過濾固體,用水淸洗,然後在40°C、減壓下乾燥過夜。得 到純黃色針狀之標題化合物(14.8克,80%產率)。 實施例5 (Z)-4-(3,4-二氯基苯基)-2·[2-(4-甲基六氫吡畊- 1- 基)-亞苄基]-噻嗎啉-3-酮檸檬酸鹽 於在氮氣下的無微粒燒瓶中加入Ζ-4(3,4-二氯基苯基)- 2- [2-(4-甲基六氫吡畊-1-基)-亞苄基]-噻嗎啉-3-酮(23.2克 經濟部智慧財產局K工消費合作社印製 ,51.8毫莫耳)、檸檬酸(10.4克,54.4毫莫耳)、以及603 毫升之無微粒異丙醇水溶液(1 : 1 v/v)。形成漿液,加熱回 流(83-S4°C ),在大約70°C得到溶液。溶液可進一步的在回 流下加熱0.5小時然後過濾。將濾液在0.45小時內緩慢冷 卻至50-5 5 °C,然後在5 0- 5 5 °C下維持1小時。將漿液進一 步的冷卻至0-5 °C,硏磨1-2小時然後過濾。白色結晶體用 5 0%異丙醇水溶液(50毫升)淸洗然後在減壓下乾燥過夜得到 2 9.1克之標題化合物(產率8 S%)。 本紙張尺度適用中國國家標準(CNS ) A4規格(210>α97公釐) -25-
Claims (1)
- 94· 2,4 D8 六、申請專利範圍 附件2A :第91119264 號專利申請案 中文申請專利範圍替換本 民國94年2月*日修正 式 備 製 Om二 種 法 方 之 物 合 化 RINΝ (I)CHO (請先閱讀背面之注意事項再填寫本頁) 其中R是(C^Ce)烷基;該方法包含使式III化合物經濟部智慧財產局員工消費合作社印製 在水及金屬碳酸鹽存在下反應之步驟。 2 ·如申請專利範圍第1項之方法,其中該反應中式IV 化合物相對於式ΠΙ化合物的莫耳比係在1.0至2.0之範圍 〇 3 .如申請專利範圍第1項之方法,其中式IV化合物 對式III化合物之莫耳比約爲1.8。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) R1 J1234563 A8 B8 C8 __ο_^_ 丨_ 丨丨丨 r 丨· ........ — - 一 六、申請專利範圍 4 ·如申請專利範圍第1項之方法,其中本發明方法中 之金屬碳酸鹽較佳是鹼金屬碳酸鹽。 5 ·如申請專利範圍第4項之方法,其中鹼金屬碳酸鹽 是碳酸鉀或碳酸鈉。 6.如申請專利範圍第1項之方法,其中金屬碳酸鹽相 對於式ΙΠ化合物之莫耳比係在2·〇至1.2之範圍。 7·如申請專利範圍第丨項之方法,其中水之體積介於 4至30毫升/克式III化合物之間。 8. —種製備式II化合物之方法: (II) ,R2 其中R1爲(C】-C6)烷基及r2爲_(cH2)mB,其中m爲0 、1、2或3,B爲苯基或萘基,其中各前述苯基及萘基團 可視需要經一個或多個取代基取代,其取代基係獨立選自 :氯、氟、溴、碘、(C^CJ烷基、烷氧基、(C^Cd 烷氧基-(C】-C6)烷基、三氟甲基、三氟甲氧基、及氰基;該 方法包含以下之步驟 (i)使式ill化合物·· F U (11,) 本紙張尺度適用中國國家標準(CNS ) Α4規格(2ΐ〇χ297公瘦) (請先閲讀背面之注意事項再填寫本頁) _裝· 訂 經濟部智慧財產局員工消費合作社印製 1234563在水及金屬碳酸鹽存在下反應 (ii)將式I化合物: R1NCHO (I) 其中R1之定義如以上之步驟(i),與溶於水性烷醇之醯 基氯或氫氯酸反應; (i i i)將步驟(i i)中形成的式I化合物之氫氯酸鹽在鹼存 在下、於適當的溶劑中與式V化合物反應: 0·' (V) (請先閱讀背面之注意事項再填寫本頁) -裝· 訂 經濟部智慧財產局員工消費合作社印製 其中R2之定義如上; 其中’該鹼係爲鹼金屬氫氧化物或鹼金屬氫化物。 9 ·如申請專利範圍第8項之方法,其中鹼是氫化鈉、 氫化鋰或氫氧化鋰。 1 〇·如申請專利範圍第8項之方法,其中鹼是氫氧化 鋰單水合物或無水的氫氧化鋰。 本·紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 1234563 A8 B8 C8 D8 -4--- 六、申請專利範圍 11. 如申請專利範圍第8項之方法,其中適當的溶劑 是異丙醇或甲苯。 12. 如申請專利範圍第8項之方法,其中R1爲甲基以 及 爲 團 基 苯 基 氯 ---------^-- (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐)
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| ES2266416T3 (es) | 2007-03-01 |
| KR20030019190A (ko) | 2003-03-06 |
| BR0203426A (pt) | 2003-05-13 |
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