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1,2-Dichloroethane → N-Boc-Tyr(Bn)-Asn-Trp-NHCH2Ph

HRID 2074357
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HRID 2074357 반응식
[NH2:1][C@H:2]([C:13]([NH:15][CH2:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)=[O:14])[CH2:3][C:4]1[C:12]2[C:7](=[CH:8][CH:9]=[CH:10][CH:11]=2)[NH:6][CH:5]=1.[NH:23]([C:51]([O:53][C:54]([CH3:57])([CH3:56])[CH3:55])=[O:52])[C@H:24]([C:40]([NH:42][C@H:43]([C:48](O)=[O:49])[CH2:44][C:45](=[O:47])[NH2:46])=[O:41])[CH2:25][C:26]1[CH:31]=[CH:30][C:29]([O:32][CH2:33][C:34]2[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=2)=[CH:28][CH:27]=1.C(Cl)CCl.C1C=CC2N(O)N=NC=2C=1>C(Cl)Cl.CN(C=O)C>[NH:23]([C:51]([O:53][C:54]([CH3:57])([CH3:56])[CH3:55])=[O:52])[C@H:24]([C:40]([NH:42][C@H:43]([C:48]([NH:1][C@H:2]([C:13]([NH:15][CH2:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)=[O:14])[CH2:3][C:4]1[C:12]2[C:7](=[CH:8][CH:9]=[CH:10][CH:11]=2)[NH:6][CH:5]=1)=[O:49])[CH2:44][C:45](=[O:47])[NH2:46])=[O:41])[CH2:25][C:26]1[CH:31]=[CH:30][C:29]([O:32][CH2:33][C:34]2[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=2)=[CH:28][CH:27]=1
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참가 물질

6

반응물 4

HCID 111,2-DichloroethaneHCID 757711-HydroxybenzotriazoleHCID 775625(S)-2-Amino-N-benzyl-3-(1H-indol-3-yl)propanamideHCID 57611773N-Boc-Tyr(Bn)-Asn-OH

생성물 1

HCID 16737396N-Boc-Tyr(Bn)-Asn-Trp-NHCH2Ph수율 48%

시약·촉매·용매 1

HCID 22350042
dichloromethane N,N-dimethylformamide
용매

실험 절차

compound A416. Same procedure as above with Trp-NHCH2Ph (63.03 mg, 0.215 mmol), N-Boc-Tyr(Bn)-Asn-OH (105.0 mg, 0.216 mmol), EDC (44 mg, 0.226 mmol) and HOBt (31 mg, 0.226 mmol) in CH2Cl2/DMF (1.5 mL/1.5 mL). After treatment, the crude residue was triturated with CH2Cl2/pentane to afford a white solid (78 mg, 48%). 1H NMR (300 MHz, DMSO-d6) δ 1H NMR (300 MHz, DMSO-d6) δ 1.29 (s, 9H, (CH3)3), 2.30-3.26 (m, 6H, CH2 Tyr, CH2 Trp, CH2 Asn), 4.08 (m, 1H, CHα), 4.24 (s, 2H, NCH2Ph), 4.49 (m, 1H, CHα), 4.56 (m, 1H, CHα), 5.03 (broad s, 2H, OCH2Ph), 6.88-7.56 (m, 17H), 8.17 (d, J=8 Hz, 1H, NH), 8.23 (d, J=8 Hz, 1H, NH), 8.51 (t, J=6 Hz, 1H, NH), 10.84 (s, 1H, NH). 13C NMR (75 MHz, CD3OD) δ 28.5 (CH2 Trp), 28.6 ((CH3)3), 37.3, 38.1 (CH2 Tyr, CH2 Asn), 44.1 (NCH2Ph), 51.7, 55.9, 57.6 (CHα Tyr, Asn, Trp), 71.0 (OCH2Ph), 80.9 (C Boc), 110.9 (C), 112.4, 115.9, 116.0, 119.4, 119.9, 122.5, 124.8, 128.0, 128.5, 128.6, 128.8, 129.4, 129.5, 130.6 (C), 131.4 (CH), 138.0, 138.8, 139.5 (aromatic C), 157.9, 159.1 (aromatic C and CO Boc), 172.7, 173.6, 174.4, 174.9 (CO amide).

후처리

  1. customAfter treatment, the crude residue was triturated with CH2Cl2/pentane

출처 및 근거

ORD 기록
ord-86d09d1f2cb74c81831d84afdbb4fbce
출처 데이터셋
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07919468B2

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