Azidotrimethylsilane → HCID 46179902, 화합물

HRID 1425696노트

반응식

HRID 1425696 반응식
[NH2:1][C:2]1[CH:18]=[CH:17][C:5]([CH2:6][NH:7][C:8](=[O:16])[C@H:9]([NH:12][C:13](=[O:15])[CH3:14])[CH2:10][OH:11])=[CH:4][CH:3]=1.[Si]([N:23]=[N+:24]=[N-])(C)(C)C>CC#N>[N:1]([C:2]1[CH:3]=[CH:4][C:5]([CH2:6][NH:7][C:8](=[O:16])[C@H:9]([NH:12][C:13](=[O:15])[CH3:14])[CH2:10][OH:11])=[CH:17][CH:18]=1)=[N+:23]=[N-:24]

참가 물질

4

반응물 2

HCID 78378AzidotrimethylsilaneHCID 46179901HCID 46179901, 화합물

생성물 1

HCID 46179902HCID 46179902, 화합물수율 79.2%

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

To a cooled (0° C.) CH3CN solution (70 mL) of (R)—N-(4-aminobenzyl)-2-acetamido-3-hydroxypropanamide (2.40 g, 9.56 mmol) maintained under Ar, t-BuONO (3.41 mL, 28.68 mmol) followed by TMSN3 (3.02 mL, 22.94 mmol) were slowly added. The resulting solution was allowed to stir at room temperature (16 h) under Ar. The solvent was removed in vacuo, and the product was purified by column chromatography (SiO2; 1/9 MeOH/CHCl3) to give 2.10 g (79%) of (R)—N-(4-azidobenzyl)-2-acetamido-3-hydroxypropanamide as a white solid: mp 161-163° C.; [α]26D +13.2° (c 1.0, MeOH); Rf=0.35 (1/9 MeOH/CHCl3); IR (nujol mull) 3268, 2924, 2128, 1649, 1553, 1459 cm−1; 1H NMR (DMSO-d6) δ 1.87 (s, CH3C(O)), 3.58 (t, J=5.7 Hz, CH2OH), 4.26-4.32 (m, CH2Ar and CH), 4.91 (t, J=5.7 Hz, OH), 7.03-7.08 (m, 2 ArH), 7.28-7.31 (m, 2 ArH), 7.94 (d, J=8.1 Hz, NHCH), 8.40 (t, J=6.0 Hz, NHCH2); 13C NMR (DMSO-d6) δ 22.7 (CH3C(O)), 41.5 (CH2Ph), 55.3 (CH), 61.7 (CH2OH), 118.9, 128.7, 136.5, 137.7 (C6H5), 169.4, 170.3 (2 C(O)); HRMS (ESI) 278.1249 [M+H+] (calcd. for C12H16N5O3 278.1253); Anal. (C12H15N5O3) Calcd.: C, 51.98%; H, 5.45%; N, 25.26%. Found: C, 51.93%; H, 5.47%; N, 24.98%.

후처리

  1. temperaturemaintained under Ar
  2. additionwere slowly added
  3. customThe solvent was removed in vacuo
  4. customthe product was purified by column chromatography (SiO2; 1/9 MeOH/CHCl3)

출처 및 근거

ORD 기록
ord-f9cb24ffad004d199b122f3fbf516337
출처 데이터셋
uspto-grants-2015_01
특허 번호
US08933065B2

반응 노트

불러오는 중…