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Triethylamine → ethyl (S)-3-[2-(tert-butoxycarbonylamino)-1,2,3,4-tetrahydronaphthalen-7-yl]acrylate

HRID 369360
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HRID 369360 반응식
FC(F)(F)S(O[C:7]1[CH:16]=[C:15]2[C:10]([CH2:11][CH2:12][C@H:13]([NH:17][C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:14]2)=[CH:9][CH:8]=1)(=O)=O.[C:27]([O:31][CH2:32][CH3:33])(=[O:30])[CH:28]=[CH2:29].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C(N(CC)CC)C>C([O-])(=O)C.[Pd+2].C([O-])(=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.O>[C:21]([O:20][C:18]([NH:17][C@H:13]1[CH2:12][CH2:11][C:10]2[C:15](=[CH:16][C:7]([CH:29]=[CH:28][C:27]([O:31][CH2:32][CH3:33])=[O:30])=[CH:8][CH:9]=2)[CH2:14]1)=[O:19])([CH3:24])([CH3:23])[CH3:22]
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참가 물질

8

반응물 4

HCID 8471Triethylamine2회HCID 8821Ethyl Acrylate2회HCID 11776TriphenylphosphineHCID 18651771(S)-2-(tert-butoxycarbonylamino)-1,2,3,4-tetrahydronaphthalen-7-yl trifluoromethanesulfonate

생성물 1

HCID 57134535ethyl (S)-3-[2-(tert-butoxycarbonylamino)-1,2,3,4-tetrahydronaphthalen-7-yl]acrylate

시약·촉매·용매 3

HCID 167845palladium(II) acetate촉매
HCID 178418476HCID 178418476, 화합물촉매
HCID 962Water용매

실험 절차

(S)-2-(tert-Butoxycarbonylamino)-1,2,3,4-tetrahydronaphthalen-7-yl trifluoromethanesulfonate (500 mg), ethyl acrylate (179 μl), triphenylphosphine (22 mg), palladium acetate (9.3 mg) and triethylamine (250 μl) were allowed to react for 6 hours at 90° C. and for 5 hours at 100° C. with stirring. Ethyl acrylate (97 μl), triethylamine (125 μl) and bis(triphenylphosphine)palladium(II) dichloride (27 mg) were added to the reaction mixture, followed by reaction for 11 hours at 100° C. with stirring. Water was added to the reaction mixture, and the resulting mixture was extracted with ethyl acetate. The extract was washed with 1 N hydrochloric acid and 0.5 M aqueous phosphate buffer solution (pH 7) sequentially, and dried over anhydrous magnesium sulfate, then the solvent was removed in vacuo. Purification by medium pressure liquid column chromatography on silica gel (eluent: dichloromethane/ethyl acetate=20/1) and sequential recrystallization from diisopropyl ether of the residue gave ethyl (S)-3-[2-(tert-butoxycarbonylamino)-1,2,3,4-tetrahydronaphthalen-7-yl]acrylate (252 mg) having a melting point of 99-100° C.

후처리

  1. customto react for 6 hours at 90° C. and for 5 hours at 100° C.
  2. customfollowed by reaction for 11 hours at 100° C.
  3. stirringwith stirring
  4. extractionthe resulting mixture was extracted with ethyl acetate
  5. washThe extract was washed with 1 N hydrochloric acid and 0.5 M aqueous phosphate buffer solution (pH 7) sequentially
  6. dry with materialdried over anhydrous magnesium sulfate
  7. customthe solvent was removed in vacuo
  8. customPurification by medium pressure liquid column chromatography
  9. customon silica gel (eluent: dichloromethane/ethyl acetate=20/1) and sequential recrystallization from diisopropyl ether of the residue

출처 및 근거

ORD 기록
ord-3bb1ef8a37f44622b65b2a1c54dac830
출처 데이터셋
uspto-grants-2000_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06136852

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