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Dimethyl Sulfide → tert-Butyl 9-(2-oxoethoxy)-3-azaspiro[5.5]undecane-3-carboxylate

HRID 1253720
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HRID 1253720 반응식
[O:1]=[O+][O-].[CH2:4]([O:7][CH:8]1[CH2:25][CH2:24][C:11]2([CH2:16][CH2:15][N:14]([C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[CH2:13][CH2:12]2)[CH2:10][CH2:9]1)[CH:5]=C.CSC>CO>[O:1]=[CH:5][CH2:4][O:7][CH:8]1[CH2:9][CH2:10][C:11]2([CH2:12][CH2:13][N:14]([C:17]([O:19][C:20]([CH3:22])([CH3:23])[CH3:21])=[O:18])[CH2:15][CH2:16]2)[CH2:24][CH2:25]1
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참가 물질

5

반응물 3

HCID 1068Dimethyl SulfideHCID 24823OzoneHCID 66700897tert-Butyl 9-(allyloxy)-3-azaspiro[5.5]undecane-3-carboxylate

생성물 1

HCID 86645836tert-Butyl 9-(2-oxoethoxy)-3-azaspiro[5.5]undecane-3-carboxylate수율 99%

시약·촉매·용매 1

HCID 887Methanol용매

반응 조건

온도
25 °C

실험 절차

O3 gas was passed through a stirred solution of tert-butyl 9-(allyloxy)-3-azaspiro[5.5]undecane-3-carboxylate (6.47 mmol, 1.0 eq.) in MeOH (40 ml) for 45 min at −78° C. Dimethylsulfide (77.64 mmol, 12.0 eq.) was added dropwise to the reaction mixture at 0° C. and it was stirred for 30 min at 25° C. The reaction mixture was concentrated under reduced pressure to yield the crude product as a light yellow oil which was used in next step without further purification. Yield: 99%

후처리

  1. concentrationThe reaction mixture was concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-6cb753947d7a40848516d689a553236b
출처 데이터셋
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08455475B2

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