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Hydrochloric Acid → 4-[3-(1,4,4-Trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid

HRID 2415203
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HRID 2415203 반응식
C[O:2][C:3](=[O:31])[C:4]1[CH:9]=[CH:8][C:7]([CH:10]=[CH:11][CH:12]([C:18]2[CH:27]=[C:26]3[C:21]([C:22]([CH3:30])([CH3:29])[CH2:23][CH2:24][N:25]3[CH3:28])=[CH:20][CH:19]=2)[CH2:13][CH2:14][CH2:15][CH2:16][CH3:17])=[CH:6][CH:5]=1.O.[OH-].[Li+].Cl>C1COCC1.CO.O>[CH3:28][N:25]1[C:26]2[C:21](=[CH:20][CH:19]=[C:18]([CH:12]([CH2:13][CH2:14][CH2:15][CH2:16][CH3:17])[CH:11]=[CH:10][C:7]3[CH:6]=[CH:5][C:4]([C:3]([OH:31])=[O:2])=[CH:9][CH:8]=3)[CH:27]=2)[C:22]([CH3:29])([CH3:30])[CH2:23][CH2:24]1
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참가 물질

6

반응물 3

HCID 313Hydrochloric AcidHCID 168937Lithium hydroxide, monohydrateHCID 692157304-[3-(1,4,4-Trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid methyl ester

생성물 1

HCID 692169264-[3-(1,4,4-Trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid수율 46.8%

시약·촉매·용매 2

HCID 962Water
용매
2회
HCID 21899815MeOH tetrahydrofuran용매

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온도
40 °C

실험 절차

A solution of 4-[3-(1,4,4-trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid methyl ester (0.23 g, 0.5 mmole) in 10 mL of a 1:1 THF/methanol mixture was treated with a solution of 0.09 g of lithium hydroxide monohydrate in 2.5 mL of water and stirred at 40° C. for 6 hours. The mixture was diluted with 10 mL of water and the pH adjusted to 2.0 with 2N HCl solution. The mixture was extracted with three 10 mL portions of ethyl acetate. The combined organic extracts were dried over MgSO4, filtered and concentrated in vacuo to give a yellow oil. The product was purified by preparative tlc (SiO2, 25% ethyl acetate in hexanes) to yield 0.095 g of 4-[3-(1,4,4-trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid as a pale yellow oil. MS (EI): (M+): 405.

후처리

  1. extractionThe mixture was extracted with three 10 mL portions of ethyl acetate
  2. dry with materialThe combined organic extracts were dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customto give a yellow oil
  6. customThe product was purified by preparative tlc (SiO2, 25% ethyl acetate in hexanes)

출처 및 근거

ORD 기록
ord-fe450746ea06457283186e87ecbe79d1
출처 데이터셋
uspto-grants-2004_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06818652B2

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