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Dimethylformamide → N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-6-cyanopyrrolo[1,2-a]pyrazine-3-carboxamide Tartrate

HRID 25165
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HRID 25165 반응식
[N:1]12[CH2:8][CH2:7][CH:4]([CH2:5][CH2:6]1)[C@@H:3]([NH:9][C:10]([C:12]1[N:13]=[CH:14][C:15]3[N:16]([C:18](Br)=[CH:19][CH:20]=3)[CH:17]=1)=[O:11])[CH2:2]2.[C:22]([OH:31])(=[O:30])[C@H:23]([C@@H:25]([C:27]([OH:29])=[O:28])[OH:26])[OH:24].[CH3:32][N:33](C=O)C>[C-]#N.[Zn+2].[C-]#N.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:27]([CH:25]([CH:23]([C:22]([OH:31])=[O:30])[OH:24])[OH:26])([OH:29])=[O:28].[N:1]12[CH2:8][CH2:7][CH:4]([CH2:5][CH2:6]1)[C@@H:3]([NH:9][C:10]([C:12]1[N:13]=[CH:14][C:15]3[N:16]([C:18]([C:32]#[N:33])=[CH:19][CH:20]=3)[CH:17]=1)=[O:11])[CH2:2]2
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참가 물질

6

반응물 3

HCID 6228DimethylformamideHCID 439655D-Tartaric acidHCID 10247203N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-6-bromopyrrolo[1,2-a]pyrazine-3-carboxamide

생성물 1

HCID 69771933N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-6-cyanopyrrolo[1,2-a]pyrazine-3-carboxamide Tartrate수율 47%

시약·촉매·용매 2

HCID 11186Zinc cyanide (Zn(CN)2)
촉매
HCID 178418397HCID 178418397, 화합물촉매

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온도
95 °C

실험 절차

To an argon sparged solution of N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-6-bromopyrrolo[1,2-a]pyrazine-3-carboxamide (0.77 g, 2.14 mmol) in DMF (25 mL) is added zinc cyanide (0.26 g, 2.20 mmol), and tetrakis(triphenylphosphine)palladium (0) (0.25 g, 0.21 mmol). The resulting suspension is stirred at 95° C. for 48 h, then filtered through a pad of celite. The residue is purified using preparative chromatography (carried out on a Chiral OD column using a 40% IPA/heptanes each containing 0.1% diethylamine) to give a pale yellow oil that is salted with d-tartaric acid and crystallized from EtOH/Et2O to give a pale yellow solid. Yield 47%. HRMS (FAB) calcd for C16H17N5O+H 296.1511, found 296.1520.

후처리

  1. filtrationfiltered through a pad of celite
  2. customThe residue is purified
  3. customto give a pale yellow oil that
  4. customcrystallized from EtOH/Et2O
  5. customto give a pale yellow solid

출처 및 근거

ORD 기록
ord-35777fbdf51d4a96b2a0653b70a174ab
출처 데이터셋
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06858613B2

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