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Formic Acid → 6-(4-Carboxymethyl-phenylethynyl)-4,4,7-trimethyl-1,2,3,4-tetrahydro-naphthalene-1-carboxylic acid ethyl ester

HRID 1765899
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HRID 1765899 반응식
[CH2:1]([O:3][C:4]([CH:6]1[C:15]2[C:10](=[CH:11][C:12]([C:17]#[C:18][C:19]3[CH:24]=[CH:23][C:22]([CH2:25][C:26]([O:28]C(C)(C)C)=[O:27])=[CH:21][CH:20]=3)=[C:13]([CH3:16])[CH:14]=2)[C:9]([CH3:34])([CH3:33])[CH2:8][CH2:7]1)=[O:5])[CH3:2].C(O)=O.O>O1CCOCC1>[CH2:1]([O:3][C:4]([CH:6]1[C:15]2[C:10](=[CH:11][C:12]([C:17]#[C:18][C:19]3[CH:24]=[CH:23][C:22]([CH2:25][C:26]([OH:28])=[O:27])=[CH:21][CH:20]=3)=[C:13]([CH3:16])[CH:14]=2)[C:9]([CH3:33])([CH3:34])[CH2:8][CH2:7]1)=[O:5])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 284Formic AcidHCID 962WaterHCID 690738306-(4-tert-Butoxycarbonylmethyl-phenylethynyl)-4,4,7-trimethyl-1,2,3,4-tetrahydronaphthalene-1-carboxylic acid ethyl ester2회

생성물 1

HCID 588834526-(4-Carboxymethyl-phenylethynyl)-4,4,7-trimethyl-1,2,3,4-tetrahydro-naphthalene-1-carboxylic acid ethyl ester수율 74.2%

시약·촉매·용매 1

HCID 31275
1,4-Dioxane
용매

실험 절차

A solution of 6-(4-tert-butoxycarbonylmethyl-phenylethynyl)-4,4,7-trimethyl-1,2,3,4-tetrahydro-naphthalene-1-carboxylic acid ethyl ester (Intermediate 194, 0.23 g, 0.5 mmol) in 1,4-dioxane (1 mL) was treated with formic acid (3 mL) and the resulting reaction mixture was stirred at ambient temperature for 6 h. Water was added and the reaction mixture was extracted with ethyl acetate(×2). The combined organic phase was washed with water, dried over anhydrous magnesium sulfate, filtered and evaporated to an oil. Preparative reverse phase HPLC using 10% water in acetonitrile as the mobile phase afforded the title compound (0.15 g, 74%).

후처리

  1. customthe resulting reaction mixture
  2. extractionthe reaction mixture was extracted with ethyl acetate(×2)
  3. washThe combined organic phase was washed with water
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. customevaporated to an oil

출처 및 근거

ORD 기록
ord-5c30df2703094670b5e72fd5be8f3358
출처 데이터셋
uspto-grants-2007_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07226951B2

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