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Triphenylphosphine → 4-(3-cyano-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-8-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester

HRID 61715
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HRID 61715 반응식
[OH:1][C:2]1[CH:3]=[CH:4][C:5]2[C:17](=[O:18])[C:16]3[C:15]4[C:10](=[CH:11][C:12]([C:19]#[N:20])=[CH:13][CH:14]=4)[NH:9][C:8]=3[C:7]([CH3:22])([CH3:21])[C:6]=2[CH:23]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[C:43]([O:47][C:48]([N:50]1[CH2:55][CH2:54][CH:53]([CH2:56]O)[CH2:52][CH2:51]1)=[O:49])([CH3:46])([CH3:45])[CH3:44].C(OC(N=NC(OCC)=O)=O)C>C1(C)C=CC=CC=1.C1COCC1>[C:43]([O:47][C:48]([N:50]1[CH2:55][CH2:54][CH:53]([CH2:56][O:1][C:2]2[CH:3]=[CH:4][C:5]3[C:17](=[O:18])[C:16]4[C:15]5[C:10](=[CH:11][C:12]([C:19]#[N:20])=[CH:13][CH:14]=5)[NH:9][C:8]=4[C:7]([CH3:21])([CH3:22])[C:6]=3[CH:23]=2)[CH2:52][CH2:51]1)=[O:49])([CH3:46])([CH3:44])[CH3:45]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 2764081Tert-butyl 4-(hydroxymethyl)piperidine-1-carboxylateHCID 668338618-Hydroxy-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile2회

생성물 1

HCID 668342144-(3-cyano-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-8-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester
수율 85.8%

시약·촉매·용매 2

HCID 1140Toluene용매HCID 8028Tetrahydrofuran용매

실험 절차

Under nitrogen atmosphere, 3-cyano-8-hydroxy-6,6-dimethyl-5,6-dihydro-benzo[b]carbazol-11-one (Compound A6, 85 mg, 0.28 mmol) and triphenylphosphine (150 mg, 2 eq.) were added with THF (2 ml), and then further added dropwise with 4-hydroxymethyl-piperidine-1-carboxylic acid tert-butyl ester (120 mg, 2 eq.) and 2.19 N toluene solution of diethyl azodicarboxylic acid (0.26 mL, 2 eq.). The resultant was stirred at room temperature for 12 hr under nitrogen atmosphere. The residues obtained after concentrating the reaction solution under reduced pressure were purified by silica gel column chromatography (ethyl acetate/dichloromethane) to obtain 4-(3-cyano-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-8-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester (white powder, 120 mg).

후처리

  1. customThe residues obtained
  2. concentrationafter concentrating the reaction solution under reduced pressure
  3. customwere purified by silica gel column chromatography (ethyl acetate/dichloromethane)

출처 및 근거

ORD 기록
ord-9800df58ac194979ae7238e81fc57fd8
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09440922B2

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