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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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2H-pyran-3,5(4H,6H)-dione → 4-(2,1,3-benzoxadiazol-5-yl)-1-methyl-4,9-dihydro-1H-isoxazolo [3,4-b]pyrano[4,3-e]pyridine-3,5(6H,8H)-dione

HRID 1837104
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HRID 1837104 반응식
[NH2:1][C:2]1[N:3]([CH3:8])[O:4][C:5](=[O:7])[CH:6]=1.[N:9]1[O:10][N:11]=[C:12]2[CH:17]=[C:16]([CH:18]=O)[CH:15]=[CH:14][C:13]=12.[O:20]1[CH2:25][C:24](=O)[CH2:23][C:22](=[O:27])[CH2:21]1>C(O)C>[N:9]1[O:10][N:11]=[C:12]2[CH:17]=[C:16]([CH:18]3[C:23]4[C:22](=[O:27])[CH2:21][O:20][CH2:25][C:24]=4[NH:1][C:2]4[N:3]([CH3:8])[O:4][C:5](=[O:7])[C:6]3=4)[CH:15]=[CH:14][C:13]=12
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 3252872H-pyran-3,5(4H,6H)-dioneHCID 2776296Benzo(c)(1,2,5)oxadiazole-5-carbaldehydeHCID 234974983-Amino-2-methyl-2,5-dihydro-1,2-oxazol-5-one

생성물 1

HCID 99677714-(2,1,3-benzoxadiazol-5-yl)-1-methyl-4,9-dihydro-1H-isoxazolo [3,4-b]pyrano[4,3-e]pyridine-3,5(6H,8H)-dione

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

The product from Example 45A (0.11 g, 1 mmol), 2,1,3-benzoxadiazole-5-carboxaldehyde(0.15 g, 1 mmol), prepared as described in (Gasco, A. M., Ermondi, G. Eur. J. Med. Chem., (1996) 31, 3) and 2H-pyran-3,5(4H,6H)-dione (0.11 g, 1 mmol) were heated in 2 mL of ethanol for 2 days. The resulting mixture was allowed to cool to ambient temperature and filtered to provide the title compound as the filter cake (0.09 g). 1H NMR (300 MHz, DMSO-d6) δ 3.28 (s, 3H), 4.08 (s, 2H), 4.6 (q, 2H), 4.92 (s, 1H), 7.62 (dd, 1H), 7.76 (s, 1H), 8.0 (dd, 1H), 10.8 (s, 1H); MS (ESI) m/z 339 (M−H)−; Anal. Calcd for C16H12N4O5; C, 56.47; H, 3.52; N, 16.47. Found: C, 56.03; H, 3.97; N, 15.57.

후처리

  1. filtrationfiltered

출처 및 근거

ORD 기록
ord-0bb76cfb016645d78b7a889ccb1517bc
출처 데이터셋
uspto-grants-2004_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06780872B2

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