JP2016519085A - ent−プロゲステロンおよびその中間体の合成 - Google Patents
ent−プロゲステロンおよびその中間体の合成 Download PDFInfo
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- JP2016519085A JP2016519085A JP2016503314A JP2016503314A JP2016519085A JP 2016519085 A JP2016519085 A JP 2016519085A JP 2016503314 A JP2016503314 A JP 2016503314A JP 2016503314 A JP2016503314 A JP 2016503314A JP 2016519085 A JP2016519085 A JP 2016519085A
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- 0 C*(C(C)(C)C)OCCCC1=C(C)CCC11OCCO1 Chemical compound C*(C(C)(C)C)OCCCC1=C(C)CCC11OCCO1 0.000 description 4
- BMGQDGVIGQIKEL-UHFFFAOYSA-N CC(C)(C)[Si](C)(C)OCCCC1=C(C)CCC11OCCO1 Chemical compound CC(C)(C)[Si](C)(C)OCCCC1=C(C)CCC11OCCO1 BMGQDGVIGQIKEL-UHFFFAOYSA-N 0.000 description 1
- BZORYKMMUZXBEQ-UHFFFAOYSA-N CC(CC1)=C(CCC=O)C11OCCO1 Chemical compound CC(CC1)=C(CCC=O)C11OCCO1 BZORYKMMUZXBEQ-UHFFFAOYSA-N 0.000 description 1
- MNPCGJXQPNXCJJ-UHFFFAOYSA-N CC(CC1)=C(CCCBr)C11OCCO1 Chemical compound CC(CC1)=C(CCCBr)C11OCCO1 MNPCGJXQPNXCJJ-UHFFFAOYSA-N 0.000 description 1
- DVNLVJUPOFVKKS-UHFFFAOYSA-N CC(CC1)=C(CCCO)C11OCCO1 Chemical compound CC(CC1)=C(CCCO)C11OCCO1 DVNLVJUPOFVKKS-UHFFFAOYSA-N 0.000 description 1
- YREQIXHAHFNNMF-LQYQHUGMSA-N C[C@@](CC1)([C@H](CC2)[C@@H](CCC3=C(C)CC4)[C@@H]1[C@@]34N)[C@@H]2C(C)=O Chemical compound C[C@@](CC1)([C@H](CC2)[C@@H](CCC3=C(C)CC4)[C@@H]1[C@@]34N)[C@@H]2C(C)=O YREQIXHAHFNNMF-LQYQHUGMSA-N 0.000 description 1
- BPRXLBYHYPJBMR-KSKZCLGGSA-N C[C@@](CC1)([C@H](CC2)[C@@H](CCC3=C(C)CC4)[C@@H]1[C@@]34N)[C@@H]2C=O Chemical compound C[C@@](CC1)([C@H](CC2)[C@@H](CCC3=C(C)CC4)[C@@H]1[C@@]34N)[C@@H]2C=O BPRXLBYHYPJBMR-KSKZCLGGSA-N 0.000 description 1
- AILTXILYBWDCFH-RZDZEHBZSA-N C[C@@](CC1)([C@H](CC2)[C@@H](CCC3=C(C)CC4)[C@@H]1[C@@]34N)[C@@H]2[IH](C)=O Chemical compound C[C@@](CC1)([C@H](CC2)[C@@H](CCC3=C(C)CC4)[C@@H]1[C@@]34N)[C@@H]2[IH](C)=O AILTXILYBWDCFH-RZDZEHBZSA-N 0.000 description 1
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- C07J5/0046—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond substituted in position 17 alfa
- C07J5/0053—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond substituted in position 17 alfa not substituted in position 16
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Abstract
Description
本出願は、2013年3月15日出願の米国特許仮出願第61/790,366号の利益と優先権を主張し、その内容を参照により本明細書に組み込む。
本発明のこの実施形態で使用する化合物の調製で利用される特定の方法は、所望の特定の化合物に依存する。特定の置換基の選択のような要素は、本発明の特定の化合物の調製において従うべき過程で役割を果たす。それらの要素は、当業者によって容易に認識される。
J.March.Advanced Organic Chemistry,第4版;John Wiley:New York(1992)
R.C.Larock.Comprehensive Organic Transformations,第2版;Wiley−VCH:New York(1999)
F.A.Carey;R.J.Sundberg.Advanced Organic Chemistry,第2版;Plenum Press:New York(1984)
T.W.Greene;P.G.M.Wuts.Protective Groups in Organic Synthesis,第3版;John Wiley:New York(1999)
L.S.Hegedus.Transition Metals in the Synthesis of Complex Organic Molecules,第2版;University Science Books: Mill Valley,CA(1994)
L.A.Paquette,編.The Encyclopedia of Reagents for Organic Synthesis;John Wiley:New York(1994)
A.R.Katritzky;O.Meth−Cohn;C.W.Rees,編.Comprehensive Organic Functional Group Transformations;Pergamon Press:Oxford,UK(1995)
G.Wilkinson;F.G A.Stone;E.W.Abel,編.Comprehensive Organometallic Chemistry;Pergamon Press:Oxford,UK(1982)
B.M.Trost;I.Fleming.Comprehensive Organic Synthesis;Pergamon Press:Oxford,UK(1991)
A.R.Katritzky;C.W.Rees編.Comprehensive Heterocylic Chemistry;Pergamon Press:Oxford,UK(1984)
A.R.Katritzky;C.W.Rees;E.F.V.Scriven,編.Comprehensive Heterocylic Chemistry ll;Pergamon Press:Oxford,UK(1996)
C.Hansch;P.G.Sammes;J.B.Taylor,編.Comprehensive Medicinal Chemistry:Pergamon Press:Oxford,UK(1990)がある。これらのそれぞれはその全体を参照によって本明細書に組み込む。
1−((1R,3aR,3bR,8aS,8bR,10aR)−6,8a,10a−トリメチル− 1,2,3,3a,3b,4,5,7,8,8a,8b,9,10,10a−テトラデカヒドロジシクロペンタ[a,f]ナフタレン−1− イル)エタノンと、1−((1S,3aS,3bS,8aR,8bS,10aS)−6,8a,10a−トリメチル1−1,2,3,3a,3b,4,5,7,8,8a,8b,9,10,10a−テトラデカヒドロジシクロペンタ[a,f]ナフタレン−1−イル)エタン−1−オンのラセミ混合物を形成する(中間体U、1エナンチオマーを示す)。
当業者の有機化学者によって用いられている略語の総合的なリストは、The ACS Style Guide(第3版)またはthe Guidelines for Authors for the Journal of Organic Chemistryに記載されている。前記リストに含まれる略語および当業者の有機化学者によって利用される略語のすべては、参照によって本明細書に組み込む。本発明のために、化学元素は、Elements,CAS version, Handbook of Chemistry and Physics, 第67版,1986−87の周期表に従って同一であるとし、それぞれはその全体を参照によって本明細書に組み込む。
atm 雰囲気
brs ブロード一重項
Buchi ロータリーエバポレーター(登録商標)BUCHI Labortechnik AG
C 摂氏
CDCl3 重水素化トリクロロメタン
Celite 珪藻土濾過剤 セライト(登録商標)Celite Corp.
d 二重項
dd 二重二重項
DIBAL−H 水素化ジイソブチルアルミニウム
DCM ジクロロメタン
DMI ジメチル−2−イミダゾリジノン
g グラム
h 時間、複数時間
1H NMR プロトン核磁気共鳴
HPLC 高速液体クロマトグラフィ
J 結合定数(NMR分光分析法)
L リットル
LAH 水素化アルミニウムリチウム
LG 脱離基
M モルL−1(モル)
m 多重項
MHz メガヘルツ
min 分、複数分
mL ミリリットル
μM マイクロモル
mol モル
MS 質量スペクトル、質量分析
m/z 質量電荷比
N 当量L−1(規定濃度)
NBS N−ブロモスクシンイミド
NMO N−メチルモルホリン−N−オキシド
NMR 核磁気共鳴
pH 水素イオン濃度の負の対数
q 四分体
RBF 丸底フラスコ
r.t. 室温
RT 持続時間(HPLC)
rt 室温
s 一重項
t 三重項
THF テトラヒドロフラン
TLC 薄層クロマトグラフィ
TsCl トシルクロリド
下記の手法で示すとき、NMRスペクトルは各化合物に対して得られる。得られたNMRスペクトルは、示した構造と整合していた。ルーチンの一次元NMR分光分析は、300MHzまたは500MHzのいずれかのVarian(登録商標)Mercury−plusスペクトロメーターで行った。試料は、重水素化溶媒に溶解させた。化学シフトはppmスケールで記録し、例えば、1Hスペクトルの場合、DMSO−d6について2.49ppm、CD3CNについては1.93ppm、CD3ODについては3.30ppm、CD2Cl2については5.32ppmおよびCDCl3については7.26ppmと適切な溶媒信号にリファレンスを付けた。
すべての反応ではVWR Dyastirマグネチックスターラーを用いる。特に明記しない限り、Pyrex(登録商標)ブランドのガラス製品を用いる。実験の後処理で使用する化学物質および溶媒は、特に明記しない限りSigma Aldrich、Fisher ScientificまたはEMDから購入し、使用した溶媒は、互いに交換できるように用いられる2つのグレードを有するACSまたはHPLCのいずれかのグレードである。TLC分析のために、シリカ60ゲルをコートしたガラスTLCプレートは、EMDから購入する。
「組み合わせ合成」と称することができる、化合物Nの代替混合を以下のスキーム8に示す。
窒素雰囲気下で、3−メチル−2−シクロペンテン−1−オン(1.0当量)とMeOH(6.0v)を撹拌しながら反応器に充填する。15〜25℃で、NBS(0.99当量)をバッチ式に充填し、次いでTLCが、反応が完了したことを示すまで、濃縮H2SO4(0.02当量)を5℃以下で充填する。この系に飽和NaHCO3(6.0v)とDCM(4.0v)を充填し、10分間撹拌する。分離し、次いで水相をDCM(2.0v)で2回抽出する。有機層を混合し、塩水(6.0v)で洗浄する。有機層を分離して、収集する。有機層に濃縮HCl(2.5v)を充填し、室温で20時間撹拌し、次いで水層をDCM(2.0v)で2回抽出する。有機層を混合して、塩水(6.0v)で洗浄する。有機層をNa2SO4で乾燥させる。濾過し、濾液を真空下、30〜35℃で濃縮する。残渣物をPE/ES=0.8v/1.2v中で再結晶化させて、中間体Jの固体生成物を得る。収率は85%であった。
窒素下で反応器に中間体J(1.0当量)、トリエチルオルトホルマート(3.5当量)、グリコール(7.0当量)およびTsOH(0.01当量)を充填する。20〜25℃で16時間、撹拌する。この系に飽和NaHCO3(5.0v)とシクロヘキサン(4.0v)を充填する。10分間撹拌し、次いで分離する。水層をシクロヘキサン(3.0v)で2回抽出して、有機層を混合する。有機層を塩水(4.0v)で洗浄する。Na2SO4で有機層を乾燥させる。濾過し、濾液を真空下で濃縮する。5mmHg下で、残渣を蒸留して、生成物の中間体Kを得る。収率は88%であった。
反応器にプロパンジオール(4.0当量)、THF(8.0v)およびイミダゾール(1.0当量)を充填する。TBSCl(1.0当量)を−2〜2℃で滴下して加え、−2〜2℃で2時間撹拌し、次いで20〜25℃で3時間撹拌する。水(10.0v)とEA(5.0v)を系に充填する。10分間撹拌し、次いで分離する。水層をEA(2.0v)で2回抽出し、有機層を混合する。有機層を塩水(4.0v)で洗浄し、Na2SO4で乾燥させる。濾過し、真空下で濾液を濃縮して、次のステップで直接使用する、中間体Lの粗生成物を得る。
粗中間体L(1.0当量)、DCM(10.0v)、イミダゾール(1.5当量)およびPPh3(1.5当量)を反応器に充填する。I2(1.5当量)を0〜5℃で充填し、0〜5℃で0.5時間撹拌し、次いで20〜25℃で0.5時間撹拌する。水(5.0v)を系に充填し、10分間撹拌する。有機層を分離し、塩水(5.0v)で2回洗浄する。有機層をNa2SO4で乾燥させる。濾過し、濾液を真空下で濃縮する。残渣をカラムで精製して、中間体Mの油生成物を得る。2段階の収率は80%であった。
窒素下で中間体K(1.0当量)とTHF(10.0v)を反応器に充填する。系を−78℃以下に冷却する。−70℃以下でn−BuLi(1.5当量)を滴下して充填し、1時間撹拌する。−65℃以下でHMPA(3.0当量)を滴下して充填し、0.5時間撹拌する。−65℃以下でPH−PRV−1301−102(1.0当量)を滴下して充填し、−60〜−50℃で5時間撹拌する。水(20.0v)とEA(5.0v)を充填する。10分間撹拌し、次いで分離する。水層をEA(2.0v)で2回抽出し、有機層を混合する。有機層を塩水(5.0v)で洗浄する。有機層をNa2SO4で乾燥させる。濾過し、真空下で濾液を濃縮して、中間体Mの粗生成物を得る(粗収率=約96%、純度=約55%)。
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本明細書に引用した公開された特許出願のすべての特許および他の引用文献の全内容は、参照によってその全体を本明細書に明示的に組み込む。
当業者は、日常の実験法だけを用いて、本明細書に記述した特定の方法の種々の均等物を認識する、または確認することができる。そのような均等物は、本発明の範囲内であると考えられ、以下の特許請求の範囲によって包含される。
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| US4189431A (en) * | 1975-08-04 | 1980-02-19 | The Board of Trustees of Leland Stanford Junior University | Alkinyl terminating groups in biogenetic-like cyclizations to steroids |
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| WO2014127201A1 (en) * | 2013-02-15 | 2014-08-21 | Washington University | Neuroactive enantiomeric 15-, 16- and 17-substituted steroids as modulators for gaba type-a receptors |
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| US4129599A (en) * | 1975-04-28 | 1978-12-12 | The Board Of Trustees Of Leland Stanford Jr. University | A-Norsteroids |
| HU228636B1 (en) * | 2007-06-27 | 2013-04-29 | Richter Gedeon Nyrt | Industrial method for the synthesis of 17-acetoxy-11betha-4[-(dimethylamino)-phenyl]-21-methoxy-19-norpregna-4,9-dien-3,20-dione and the key intermediates of the process |
| BR112015022794A2 (pt) * | 2013-03-15 | 2019-11-19 | Prevacus Inc | síntese de ent-progesterona e intermediários da mesma |
| JP2017535596A (ja) * | 2014-09-17 | 2017-11-30 | プレヴァカス, インコーポレイテッドPrevacus, Inc. | Ent−プロゲステロン及びその中間体の合成 |
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