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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Hydrochloric Acid → HCID 20071127, 화합물

HRID 981826
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HRID 981826 반응식
[CH2:1]1[C:10](=[O:11])[CH2:9][C:8]2[C:3](=[CH:4][CH:5]=[CH:6][CH:7]=2)[CH2:2]1.[H-].[Na+].Br[C:15]1[CH:20]=[CH:19][C:18]([Cl:21])=[C:17]([O:22][CH3:23])[CH:16]=1.Cl>C([O-])(=O)C.[Pd+2].C([O-])(=O)C.C(OCC)(=O)C.CN(C)C=O>[Cl:21][C:18]1[CH:19]=[CH:20][C:15]([CH:9]2[C:8]3[C:3](=[CH:4][CH:5]=[CH:6][CH:7]=3)[CH2:2][CH2:1][C:10]2=[O:11])=[CH:16][C:17]=1[O:22][CH3:23]
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참가 물질

8

반응물 4

HCID 313Hydrochloric AcidHCID 24758Sodium hydrideHCID 682662-TetraloneHCID 27695675-Bromo-2-chloroanisole

생성물 1

HCID 20071127HCID 20071127, 화합물

시약·촉매·용매 3

HCID 167845palladium(II) acetate촉매
HCID 6228
Dimethylformamide
용매
HCID 8857Ethyl Acetate용매

반응 조건

온도
0 °C

실험 절차

Charge an oven dried, argon flushed 25-mL two-necked round bottomed flask equipped with a stirring bar with β-tetralone (1.3095 grams, 8.9575 mmoles) and 5 mL dry dimethylformamide. Cool to 0° C. with an ice bath, add sodium hydride (0.4299 grams, 8.9575 mmoles, 50% oil dispersion) and stir for 25 minutes. Filter the solution through a 5 mL syringe equipped with a bed of celite (dried in an oven) via a double-ended needle into an oven dried, argon flushed 25-mL round bottomed flask equipped with a stirring bar and reflux condenser which had been charged with 4-bromo-2-methoxy-1-chlorobenzene (1.5871 grams, 7.166 mmoles), palladium acetate (0.0079 grams 0.0350 mmoles) and tri(ο-tolyl)phosphine (0.0213 grams, 0.070 mmoles). Heat at about 125° C. (oil bath) for 21 hours, cool to RT and add ethyl acetate and 2N HCl. Separate the layers, extract the aqueous layers with two portions of ethyl acetate, wash the combined organic layers with saturated sodium bicarbonate solution followed by saturated salt solution, dry over magnesium sulfate and concentrate using a Buchi rotavapor to produce the named product.

후처리

  1. additionCharge an oven
  2. customdried
  3. customargon flushed 25-mL two-necked round bottomed flask
  4. filtrationFilter the solution through a 5 mL syringe
  5. customequipped with a bed of celite (dried in an oven) via a double-ended needle into an oven
  6. customdried
  7. customargon flushed 25-mL round bottomed flask
  8. customequipped with a stirring bar
  9. temperaturereflux condenser which
  10. temperatureHeat at about 125° C. (oil bath) for 21 hours
  11. temperaturecool to RT
  12. customSeparate the layers
  13. extractionextract the aqueous layers with two portions of ethyl acetate
  14. washwash the combined organic layers with saturated sodium bicarbonate solution
  15. dry with materialdry over magnesium sulfate
  16. concentrationconcentrate
  17. customto produce the named product

출처 및 근거

ORD 기록
ord-3343812ada1841d488afe1d8393f6a12
출처 데이터셋
uspto-grants-1991_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04992591

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