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Potassium Phosphate, Tribasic → 3-(2-{3-Chloro-4-[(1-methylethyl)oxy]phenyl}-1,3-thiazol-5-yl)-2-ethylbenzaldehyde

HRID 1942645
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HRID 1942645 반응식
Br[C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][C:10]([O:13][CH:14]([CH3:16])[CH3:15])=[C:9]([Cl:17])[CH:8]=2)=[N:4][CH:3]=1.[CH2:18]([C:20]1[C:27](B2OC(C)(C)C(C)(C)O2)=[CH:26][CH:25]=[CH:24][C:21]=1[CH:22]=[O:23])[CH3:19].P([O-])([O-])([O-])=O.[K+].[K+].[K+]>CN(C)C=O.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Cl:17][C:9]1[CH:8]=[C:7]([C:5]2[S:6][C:2]([C:27]3[C:20]([CH2:18][CH3:19])=[C:21]([CH:24]=[CH:25][CH:26]=3)[CH:22]=[O:23])=[CH:3][N:4]=2)[CH:12]=[CH:11][C:10]=1[O:13][CH:14]([CH3:16])[CH3:15]
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참가 물질

7

반응물 3

HCID 62657Potassium Phosphate, TribasicHCID 584940852-Ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehydeHCID 584941065-Bromo-2-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,3-thiazole

생성물 1

HCID 584940933-(2-{3-Chloro-4-[(1-methylethyl)oxy]phenyl}-1,3-thiazol-5-yl)-2-ethylbenzaldehyde수율 86.2%

시약·촉매·용매 3

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 962Water용매
HCID 6228Dimethylformamide용매

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온도
120 °C

실험 절차

To a solution of 5-bromo-2-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,3-thiazole (D71) (500 mg), 2-ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (430 mg) and tripotassium phosphate (638 mg) in N,N-dimethylformamide (DMF) (12 mL) and water (2 mL) stirred under nitrogen at room temperature was added Pd(Ph3P)4 (174 mg) in one charge. The reaction vessel was sealed and heated under microwave at 120° C. for 15 min. After cooling the reaction, the reaction mixture was filtered and the filtrate was partitioned between ethyl acetate (250 mL) and saturated brine (50 mL). The organic phase was dried over sodium sulphate and evaporated in vacuo. The crude product was purified by column chromatography to give 3-(2-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,3-thiazol-5-yl)-2-ethylbenzaldehyde (D74) (500 mg) as a brown oil. MS (ES): C21H20ClNO2S requires 385. found 386.0 (M+H+).

후처리

  1. additioncharge
  2. customThe reaction vessel was sealed
  3. temperatureAfter cooling
  4. customthe reaction
  5. filtrationthe reaction mixture was filtered
  6. customthe filtrate was partitioned between ethyl acetate (250 mL) and saturated brine (50 mL)
  7. dry with materialThe organic phase was dried over sodium sulphate
  8. customevaporated in vacuo
  9. customThe crude product was purified by column chromatography

출처 및 근거

ORD 기록
ord-d2f1687b9caf466db3c9a51b09a68f9f
출처 데이터셋
uspto-grants-2013_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08389508B2

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