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Hydrochloric Acid → 1-[6-(Tert-butoxycarbonyl)-6-azaspiro[3.4]oct-2-yl]piperidine-4-carboxylic acid

HRID 1777299
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HRID 1777299 반응식
C([O:3][C:4]([CH:6]1[CH2:11][CH2:10][N:9]([CH:12]2[CH2:15][C:14]3([CH2:19][CH2:18][N:17]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH2:16]3)[CH2:13]2)[CH2:8][CH2:7]1)=[O:5])C.[Li+].[OH-].Cl>C1COCC1>[C:23]([O:22][C:20]([N:17]1[CH2:18][CH2:19][C:14]2([CH2:13][CH:12]([N:9]3[CH2:8][CH2:7][CH:6]([C:4]([OH:5])=[O:3])[CH2:11][CH2:10]3)[CH2:15]2)[CH2:16]1)=[O:21])([CH3:26])([CH3:24])[CH3:25]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 90089413tert-Butyl 2-[4-(ethoxycarbonyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate

생성물 1

HCID 1183062081-[6-(Tert-butoxycarbonyl)-6-azaspiro[3.4]oct-2-yl]piperidine-4-carboxylic acid

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

tert-Butyl 2-[4-(ethoxycarbonyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate (0.739 g, 2.02 mmol) was dissolved in THF (10 mL) at rt and 1 M LiOH sol. (2.02 mL) was added. The reaction mixture was stirred at rt overnight. The reaction mixture was adjusted to pH 5 by addition of 1 M HCl sol. and solvents were removed in vacuo, to give 1-[6-(tert-butoxycarbonyl)-6-azaspiro[3.4]oct-2-yl]piperidine-4-carboxylic acid, which was used crude in the subsequent reaction.

후처리

  1. customwere removed in vacuo

출처 및 근거

ORD 기록
ord-75299808e0b6412493a8f57996df2277
출처 데이터셋
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09266857B2

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