JP4959336B2 - {2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1h−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノンの新規の結晶形態 - Google Patents
{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1h−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノンの新規の結晶形態 Download PDFInfo
- Publication number
- JP4959336B2 JP4959336B2 JP2006536635A JP2006536635A JP4959336B2 JP 4959336 B2 JP4959336 B2 JP 4959336B2 JP 2006536635 A JP2006536635 A JP 2006536635A JP 2006536635 A JP2006536635 A JP 2006536635A JP 4959336 B2 JP4959336 B2 JP 4959336B2
- Authority
- JP
- Japan
- Prior art keywords
- pyridin
- chlorophenyl
- methanone
- triazol
- bistrifluoromethylbenzyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Description
CuKα源(λ=1.54056Å)と、50kV/40mAで動作するKevex製の固体Si(Li)検出器とを備えたX線粉末回折計Siemens D5000において、X線粉末回折パターンを得た。1mmの発散スリットおよび受光スリットと、0.1mmの検出器スリットとを使用し、3°〜40°(2θ)の間で、ステップサイズ0.02(2θ)、最小走査速度9.0秒/ステップで、各試料を走査した。
(形態I)
(形態IV)
(形態V)
固体用アクセサリ類一式(complete solids accessory)と、Chemagnetics社製の4.0mm T3プローブとを備えており、炭素周波数(carbon frequency)100.573MHzにて動作するVarian Unity Inova社製の400MHz NMR分光計を使用して、13C交差分極/マジック角回転(CP/MAS)NMR(固体NMRまたはSSNMR)スペクトルを得た。62kHzにおけるランプ振幅交差分極(RAMP−CP:Ramped−amplitude cross−polarization)と、70kHzにおけるTPPM(2パルス位相変調)デカップリングとを使用した。測定時の設定値は、90°プロトン無線周波数パルス幅(90°proton radio frequency pulse width)4.0μs、接触時間2.0ms、パルス繰り返し時間10s、MAS周波数10kHz、スペクトル幅50kHz、取得時間50msであった。化学シフトは、試料の交換によってヘキサメチルベンゼンのメチル基(δ=17.3ppm)を基準とした。分析は室温にて行った。すべての値の単位はppm(parts per million)であり、ピーク位置の変動は±0.2ppmである。
{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(形態IV)
(2−クロロフェニル)−[2−(2−ヒドロキシ−2−ピリジン−4−イル−ビニル)ピリジン−3−イル]メタノン
(2−クロロフェニル)−[2−(2−ヒドロキシ−2−ピリジン−4−イル−ビニル)ピリジン−3−イル]メタノンフォスフェイト
窒素下で、ナトリウム−t−ブトキシド(8.99g、93.5mmol)と、酢酸パラジウム(0.36g、1.60mmol)と、ビス(2−ジフェニルホスフィノフェニル)エーテル(1.06g、1.97mmol)と、硫酸マグネシウム(4.68g、38.9mmol)と、トルエン(160mL)とを混合する。この混合物に、トルエン(40mL)における4−アセチルピリジン(7.60g、62.7mmol)と(2−ブロモピリジン−3−イル)−(2−クロロフェニル)メタノン(9.31g、31.4mmol)の溶液を加える。反応混合物を60℃に加熱して3時間攪拌する。反応混合物を室温まで冷やす。反応混合物を、氷酢酸(9.3mL)と水(40mL)の溶液に加える。約30分間攪拌し、Hyflo(登録商標)によって濾過する。層を分離させ、トルエン(50mL)によって水層を抽出する。混合した有機層に1,3,5−トリアジン−2,4,6−トリチオール(1.7g)を加える。60℃に加熱し、約1時間攪拌する。反応混合物を室温まで冷やし、Darco(登録商標)(2.3g)を加えて室温において1時間攪拌する。Hyflo(登録商標)によって濾過し、溶液をオイル状になるまで濃縮する。その結果のオイルを、n−ブタノール(38mL)およびメタノール(93mL)に溶かし、60℃に加熱する。この溶液を、メタノール(15mL)における85%のリン酸(6.1mL)の混合物によって処理する。混合物を60℃において約1時間攪拌する。混合物を室温まで冷やし、13時間攪拌する。濾過し、メタノール(26mL)でリンスして乾燥させ、オレンジ色の固体として標題化合物を得る。C19H14ClN2O2(M+H+)337.06のLRMS(ES+)の計算値は337.31m/z。IR(固体)2364(broad),1658,1561,1278,1152,1108,1050。
(2−ブロモピリジン−3−イル)−(2−クロロフェニル)メタノン
THF(75mL)におけるジイソプロピルアミン(4.9mL、34.8mmol)の−70℃の溶液に、n−ブチルリチウム(21.7mL、34.8mmol、1.6Mヘキサン溶液)を加える。溶液を−70℃に戻し、−65℃以下の温度を維持しながら、溶液に2−ブロモピリジン(5.0g、31.6mmol)を加える。2−ブロモピリジンが含まれている容器内容物をTHF(10mL)によってリンスし、この溶液を反応混合物に加える。その結果の溶液を15分間攪拌した後、THF(15mL)における2−クロロベンズアルデヒド(3.55mL、31.6mmol)の溶液を一度に加える。その結果の溶液を−70℃において約5時間攪拌する。MeOH(3.0mL)を加え、室温まで戻す。反応混合物に3N HCl(30mL)を加えた後、トルエン(25mL)を加える。層を分離させ、有機層をH2O(25mL)によって洗浄する。有機層を約2総容積まで濃縮する。トルエン(50mL)を加え、溶液を約2総容積まで濃縮する。もう一度トルエン(65mL)を加え、溶液を約2総容積まで濃縮する。DMSO(18mL)を加える。その結果の溶液にN,N−ジイソプロピルエチルアミン(14.5mL、83.1mmol)を加える。別の反応容器において、DMSO(50mL)に三酸化硫黄ピリジン錯体(11.6g、72.7mmol)を溶かす。三酸化硫黄ピリジン錯体/DMSO溶液の一部(35mL)を反応混合物に加え、30分間攪拌する。三酸化硫黄ピリジン錯体/DMSO溶液の第2の部分(9mL)を反応混合物に加え、30分間攪拌する。三酸化硫黄ピリジン錯体/DMSO溶液の第3の部分(9mL)を反応混合物に加え、30分間攪拌する。三酸化硫黄ピリジン錯体/DMSO溶液の最後の部分(約9mL)を加え、30分間攪拌する。酢酸エチル(50mL)と1N HCl(100mL)とを加える。層を分離させ、酢酸エチル(25mL)によって水層を抽出する。層を分離させ、混合した有機層をH2O(25mL)によって抽出する。層を分離させ、有機層を約2総容積まで濃縮する。イソプロパノール(50mL)を加え、その結果の溶液を約2総容積まで濃縮する。イソプロパノール(50mL)を加え、その結果の溶液を約2総容積まで濃縮する。イソプロパノール(5mL)を加えた後、ヘプタン(40mL)を滴下により加える。その結果のスラリーを15分間攪拌する。スラリーを0℃に冷やし、1時間攪拌する。スラリーを濾過し、冷やしたヘプタン(20mL)によって濾過ケークを洗浄して乾燥させ、わずかに灰色がかった白色として標題化合物を得る。1H NMR(500MHz,CDCl3)δ 8.49(dd,J=4.9,2.0Hz,1H),7.78(dd,J=7.3,2.0Hz,1H),7.59(dd,J=7.3,1.5Hz,1H),7.49−7.36(m,4H);13CNMR(125MHz,CDCl3)δ 193.8,152.0,139.5,139.1,137.7,136.7,133.6,133.3,131.8,131.2,127.4,123.0。C12H8BrClNO(M+H+)295.9のLRMS(ES+)の計算値は295.8m/z。
(2−クロロフェニル)−(2−フルオロピリジン−3−イル)−メタノール
n−ブチルリチウム(2.47Mヘキサン溶液、917mL、2.27mol)の−63℃の溶液に、−38℃以下の温度を維持しながらジイソプロピルアミン(286.6g、2.83mol)を加える。−43℃以下の温度を維持しながら、テトラヒドロフラン(1.20L)を加える。その結果の溶液に、−66℃〜−57℃の温度を維持しながら、2−フルオロピリジン(200.0g、2.06mol)を加える。その結果の溶液を−72℃〜−57℃の温度において45分間攪拌する。この溶液に、−70℃〜−39℃の温度を維持しながら、テトラヒドロフラン(125mL)における2−クロロベンズアルデヒド(318.5g、2.27mol)の溶液を加える。その結果の溶液を−73℃〜−50℃の温度において1時間攪拌し、メタノール(198g、6.18mol)を加える。溶液を−30℃まで戻し、30分間攪拌する。その結果の溶液を、トルエン(1.20L)と3N塩酸(1.85L、5.55mol)との−13℃の混合物に加える。層を分離させ、トルエン(1.2L)によって水層を抽出する。混合した有機層を水(1.8L)によって抽出し、この溶液を、減圧下で60℃において約910gの重量まで濃縮する。溶液を25℃に冷やす。結晶化が起こる。その結果のスラリーを1時間攪拌する。シクロヘキサン(2.0L)を5分間かけて加え、結果のスラリーを14時間攪拌する。その結果の固体を濾過によって集め、固体をシクロヘキサン(500mL)によって洗浄する。真空下で45℃において固体を4時間乾燥させ、白色の固体として標題化合物を得る。1H NMR(400MHz,DMSO−D6)δppm 6.17(d,J=4.80Hz,1H)6.35(d,J=4.80Hz,1H)7.29−7.38(m,2H)7.42(t,J=7.71Hz,1H)7.41−7.46(m,1H)7.61−7.67(m,1H)7.75−7.88(m,1H)8.16(d,J=4.55Hz,1H)。
(2−フェニルスルホニル−ピリジン−3−イル)−(2−クロロフェニル)メタノン
−65℃に冷やしたn−ブチルリチウム(2.5Nヘキサン溶液、28mL)に、−65℃〜−52℃の温度を維持しながら、ジイソプロピルアミン(286.6g、2.83mol)を加える。すると沈殿が起こる。リチウムジイソプロピルアミン(LDA)懸濁液にTHF(42mL)を加える。この懸濁液に、−65℃〜−55℃の温度を維持しながら、THF(42mL)における2−フェニルスルホニルピリジン(14g)の溶液を加える。約15分間攪拌する。黄色ないしオレンジ色の沈殿物が形成される。この懸濁液に、THF(11mL)における2−クロロベンズアルデヒド(8.96g)の溶液を加え、このとき反応混合物の温度は−75℃〜−60℃に維持する。赤い溶液が得られる。この反応混合物を−70℃において1時間攪拌し、反応混合物を−30℃まで暖めた後、3N HCl(112mL)を慎重に加える。添加の終了時点で、温度を0℃まで戻す。反応混合物を約20℃に暖め、トルエン(2×140mL)によって抽出する。
{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(形態IV)
N2の不活性雰囲気中で、(2−フェニルスルホニル−ピリジン−3−イル)−(2−クロロフェニル)メタノン(15g)と4−アセチルピリジン(7.59g、1.5Eq)をDMSO(150mL)に加える。溶液を70℃に加熱した後、LiOH(4g、4Eq)を一度に加える。反応混合物を4時間攪拌し、反応の完了をHPLCによって調べる。反応中、混合物は赤から黒褐色に変わる。反応の完了後、反応混合物を15℃に冷やし、CH2Cl2(150mL)を加える。酢酸(9.58mL、4Eq)を含んだ10%NaCl(150ml)によって、反応混合物をクエンチする。層を分離させ、CH2Cl2(150ml)によって水層を再抽出する。有機層を混合し、10%NaCl(3×300mL)で洗浄する。混合した有機層を真空下で乾燥状態まで濃縮し、残留物をMeOH(4.3容積)に再び溶かす。反応混合物を20℃に冷やし、H3PO4(水における重量濃度85%、2.88mL、1Eq)を加える。懸濁液を20℃において4時間攪拌し、濾過し、沈殿物をMeOH(2×15mL)によって洗浄する。
{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(形態IV)
A. {2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(400g)を、イソプロパノール(8mL)に約65℃において溶かす。温度を54℃に冷やし、H2O(20mL)を加えて結晶化を起こす。真空濾過によって固体生成物を分離する。
B. これに代えて、{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(600mg)を、加熱しながらイソプロパノール(4.5mL)に溶かすことができる。溶液を室温までゆっくりと冷やし、真空濾過によって固体生成物を分離することができる。ヘプタンによって洗浄する。
C. 別の方法においては、{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(400mg)を、加熱しながら酢酸エチル(2mL)に溶かす。温度を約62℃に保持し、ヘプタン(10mL)を加えて結晶化を起こす。真空濾過によって生成物を分離する。
D. 別の方法においては、{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(400mg)を、室温において酢酸エチル(4mL)に溶かす。ヘプタン(15mL)を加えて結晶化を起こす。真空濾過によって生成物を分離する。
E. 別の方法においては、{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(300mg)を、室温においてジクロロメタン(2mL)に溶かす。温度を約40℃まで高め、その時点でヘプタン(15mL)を加えて結晶化を起こす。真空濾過によって生成物を分離する。
{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(形態V)
A. {2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(200mg)を、熱いMeOH(1mL)または熱いEtOH(2mL)に溶かす。溶液に水(10mL)を加えて、約68〜71℃において結晶化を起こす。懸濁液を室温まで冷やし、真空濾過によって固体生成物を分離する。
B. これに代えて、{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]−ピリジン−3−イル}−(2−クロロフェニル)−メタノン(200mg)を、室温においてMeOH(7mL)に溶かす。溶液に水(10mL)を加えて結晶化を起こす。真空濾過によって固体生成物を分離する。
Claims (7)
- a)化学シフト52.3±0.2および195.4±0.2ppmにおけるピークを有する固体13C核磁気共鳴スペクトル;
b)1つのピークが12.1±0.1°であり、第2のピークが8.3±0.1°、14.3±0.1°、16.6±0.1°、16.9±0.1°および18.5±0.1°(2θ)からなる群から選択される、少なくとも2つのピークを有する、X線粉末回折パターン;および
c)少なくとも8.3±0.1°、12.1±0.1°、16.6±0.1°、16.9±0.1°および18.5±0.1°(2θ)のピークを有する、X線粉末回折パターン
のうち少なくとも一つによって特徴付けられる、{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]ピリジン−3−イル}−(2−クロロフェニル)メタノンの結晶。 - a)化学シフト54.3±0.2および196.6±0.2ppmにおけるピークを有する固体13C核磁気共鳴スペクトル;
b)1つのピークが12.5±0.1°であり、第2のピークが15.8±0.1°、16.5±0.1°、19.1±0.1°、19.7±0.1°、21.5±0.1°、25.3±0.1°、27.7±0.1°および28.6±0.1°(2θ)からなる群から選択される、少なくとも2つのピークを有する、X線粉末回折パターン;および
c)少なくとも12.5±0.1°、25.3±0.1°、27.7±0.1°および28.6±0.1°(2θ)のピークを有する、X線粉末回折パターン
のうち少なくとも一つによって特徴付けられる、{2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]ピリジン−3−イル}−(2−クロロフェニル)メタノンの結晶。 - (2−クロロフェニル)−[2−(2−ヒドロキシ−2−ピリジン−4−イル−ビニル)ピリジン−3−イル]メタノンである化合物またはその塩。
- {2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]ピリジン−3−イル}−(2−クロロフェニル)メタノンである化合物を製造する方法であって、(2−クロロフェニル)−[2−(2−ヒドロキシ−2−ピリジン−4−イル−ビニル)ピリジン−3−イル]メタノンまたはそのリン酸塩と、1−アジドメチル−3,5−ビストリフルオロメチルベンゼンとを、適切な塩基および溶媒の存在下において反応させるステップを含む、方法。
- {2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]ピリジン−3−イル}−(2−クロロフェニル)メタノンを溶媒から結晶化させるステップを含む、請求項1の化合物を製造する方法。
- {2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]ピリジン−3−イル}−(2−クロロフェニル)メタノンを溶液媒介相転位によって結晶化させるステップを含む、請求項1の化合物を製造する方法。
- {2−[1−(3,5−ビストリフルオロメチルベンジル)−5−ピリジン−4−イル−1H−[1,2,3]トリアゾル−4−イル]ピリジン−3−イル}−(2−クロロフェニル)メタノンを溶媒と不活性溶媒との混合物から結晶化させるステップを含む、請求項2の化合物を製造する方法。
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PCT/US2004/030914 WO2005042515A1 (en) | 2003-10-24 | 2004-10-12 | Novel crystalline forms of {2-[1-(3,5-bis-trifluoromethylbenzyl)-5-pyridin-4-yl-1h-[1,2,3]triazol-4-yl]-pyridin-3-yl}-(2-chlorophenyl)-methanone |
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MX2009006636A (es) * | 2006-12-20 | 2009-06-30 | Lilly Co Eli | Nuevos intermediarios y procesos utiles en la rpeparacion de {2-[1-(3,5-bis-trifluorometil-bencil)-5-piridin-4-il-1h-[1,2,3]tr iazol-4-il]-piridin-3-il}-(2-clorofenil)-metanona. |
WO2009075778A2 (en) * | 2007-12-06 | 2009-06-18 | The Regents Of The University Of California | Nonpeptidic inhibitors of cruzain |
US8080568B1 (en) * | 2010-06-29 | 2011-12-20 | Ewha University - Industry Collaboration Foundation | 2-pyridyl substituted imidazoles as therapeutic ALK5 and/or ALK4 inhibitors |
AU2016226006B2 (en) | 2015-03-04 | 2021-03-04 | Vanda Pharmaceuticals Inc. | Method of treatment with tradipitant |
US10287287B2 (en) | 2015-08-17 | 2019-05-14 | Eli Lilly And Company | Process development of a pyridine-containing NK-1 receptor antagonist |
BR112020004964A2 (pt) | 2017-09-13 | 2020-09-15 | Vanda Pharmaceuticals Inc. | método que consiste em administrar uma quantidade de tradipitant eficaz, aperfeiçoamento, método aperfeiçoado para tratar um paciente que sofre de prurido ou dermatite atópica com tradipitant, e, métodos para tratar um paciente com prurido ou dermatite atópica, para selecionar e para determinar uma dosagem de tradipitant eficaz, para determinar que um paciente tem probabilidade de responder ao tratamento de dermatite atópica com tradipitant e para identificar um paciente. |
EP3710000A1 (en) * | 2017-11-17 | 2020-09-23 | Vanda Pharmaceuticals Inc. | Method of treatment of gastrointestinal diseases with tradipitant |
CN112218636A (zh) | 2018-06-08 | 2021-01-12 | 万达制药公司 | 使用川地匹坦进行治疗的方法 |
JP7468964B2 (ja) * | 2018-09-28 | 2024-04-16 | バンダ・ファーマシューティカルズ・インコーポレイテッド | 動揺病におけるトラジピタントの使用 |
US10821099B2 (en) | 2018-09-28 | 2020-11-03 | Vanda Pharmaceuticals Inc. | Use of tradipitant in motion sickness |
EP3890735A1 (en) * | 2018-12-03 | 2021-10-13 | Vanda Pharmaceuticals Inc. | Method of treatment with tradipitant |
EP4110335A1 (en) | 2020-02-25 | 2023-01-04 | Vanda Pharmaceuticals Inc. | Improved treatment of atopic dermatitis with tradipitant |
JP2023520369A (ja) | 2020-03-26 | 2023-05-17 | バンダ・ファーマシューティカルズ・インコーポレイテッド | トラジピタントによる下気道感染症の治療 |
WO2023019084A1 (en) | 2021-08-12 | 2023-02-16 | Vanda Pharmaceuticals Inc. | Treatment of gastric accommodation with tradipitant |
EP4395778A1 (en) | 2021-08-31 | 2024-07-10 | Vanda Pharmaceuticals Inc. | Treatment of lower respiratory tract infection with tradipitant |
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