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Hydride → HCID 13603320, 화합물

HRID 2309381
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HRID 2309381 반응식
[CH2:1]([N:3]1[C:11]2[CH:10]=[C:9]3[C:12](=[O:15])[CH2:13][O:14][C:8]3=[CH:7][C:6]=2[CH2:5][C:4]1=[O:16])[CH3:2].[BH4-].[Na+].[H-]>CO>[CH2:1]([N:3]1[C:11]2[CH:10]=[C:9]3[CH:12]([OH:15])[CH2:13][O:14][C:8]3=[CH:7][C:6]=2[CH2:5][C:4]1=[O:16])[CH3:2]
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5

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HCID 166653HydrideHCID 4311764Sodium borohydrideHCID 13603309HCID 13603309, 화합물

생성물 1

HCID 13603320HCID 13603320, 화합물

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

To a slurry of 30 g. (0.138 mole) of 5-ethyl-3,6-dioxo-2,3,6,7-tetrahydro-furo[2,3-f]indole (Preparation A) in 1 l. of methanol cooled to 0° C. was added 5.24 g. (0.138 mole) of sodium borohydride. After 30 minutes an additional 2.6 g. (68.4 moles) of hydride was added and the reaction mixture allowed to stir for 1.5 hours. The reaction mixture was quenched by the addition of 50 ml. of a saturated brine solution and the resulting solution concentrated in vacuo. The residue was partitioned between 1 l. of a saturated brine solution and 1 l. of dichloromethane. The organic layer was separated and held, and the aqueous layer was extracted (4×300 ml.) with fresh dichloromethane. The organic extracts were combined, dried over magnesium sulfate and concentrated to give a quantitative yield of product. A small sample was recrystallized from diethyl ether, m.p. 144°-145° C.

후처리

  1. additionwas added 5.24 g
  2. customThe reaction mixture was quenched by the addition of 50 ml
  3. concentrationof a saturated brine solution and the resulting solution concentrated in vacuo
  4. customThe residue was partitioned between 1 l
  5. customThe organic layer was separated
  6. extractionheld, and the aqueous layer was extracted (4×300 ml.) with fresh dichloromethane
  7. dry with materialdried over magnesium sulfate
  8. concentrationconcentrated

출처 및 근거

ORD 기록
ord-99e0cbc7ce1349659ed17f029f3b80ee
출처 데이터셋
uspto-grants-1987_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04695571

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