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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Acetic Acid → 1-(9-(3-(2-(tert-Butyldimethylsilyloxy)ethyl)-2-fluorobenzyl)-1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)-2,2,2-trifluoroethanone

HRID 471172
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HRID 471172 반응식
[Si:1]([O:8][CH2:9][CH2:10][C:11]1[C:12]([F:19])=[C:13]([CH:16]=[CH:17][CH:18]=1)[CH:14]=O)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].FC(F)(F)C(O)=O.[F:27][C:28]([F:43])([F:42])[C:29]([N:31]1[CH2:36][C:35]2([CH2:41][CH2:40][NH:39][CH2:38][CH2:37]2)[O:34][CH2:33][CH2:32]1)=[O:30].C(O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>CN1C(=O)CCC1.O>[Si:1]([O:8][CH2:9][CH2:10][C:11]1[C:12]([F:19])=[C:13]([CH:16]=[CH:17][CH:18]=1)[CH2:14][N:39]1[CH2:40][CH2:41][C:35]2([O:34][CH2:33][CH2:32][N:31]([C:29](=[O:30])[C:28]([F:27])([F:42])[F:43])[CH2:36]2)[CH2:37][CH2:38]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 176Acetic AcidHCID 5049666Sodium triacetoxyborohydrideHCID 579891643-(2-(tert-Butyldimethylsilyloxy)ethyl)-2-fluorobenzaldehydeHCID 866367502,2,2-Trifluoro-1-(1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)ethanone trifluoroacetate

생성물 1

HCID 579890151-(9-(3-(2-(tert-Butyldimethylsilyloxy)ethyl)-2-fluorobenzyl)-1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)-2,2,2-trifluoroethanone

시약·촉매·용매 2

HCID 962Water용매HCID 13387N-methyl-2-pyrrolidone용매

실험 절차

3-(2-(tert-Butyldimethylsilyloxy)ethyl)-2-fluorobenzaldehyde (example 78, step b) (2.159 g) was added to stirred solution of 2,2,2-trifluoro-1-(1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)ethanone trifluoroacetate (example 12, step d) (2.80 g) and acetic acid (0.438 mL) in NMP (25 mL). After 5 minutes, sodium triacetoxyborohydride (3.24 g) was added. After 16 h, water was added and the mixture partitioned between water (250 mL) and ethyl acetate (250 mL). The ethyl acetate solution was washed with water (3×250 mL) and brine, then evaporated to dryness. Purification by silica gel chromatography eluting with 20:1:1, isohexane:ethyl acetate:triethylamine gave the subtitled compound as a gum. Yield 2.5 g.

후처리

  1. waitAfter 16 h
  2. customthe mixture partitioned between water (250 mL) and ethyl acetate (250 mL)
  3. washThe ethyl acetate solution was washed with water (3×250 mL) and brine
  4. customevaporated to dryness
  5. customPurification by silica gel chromatography
  6. washeluting with 20:1:1, isohexane

출처 및 근거

ORD 기록
ord-3cc00e7a348644768a14178472819484
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08629271B2

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