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Malonic Acid → 2-Chloro-4-(2-tetrahydropyranyloxy)cinnamic acid

HRID 2225539
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인쇄 미리보기

반응식

HRID 2225539 반응식
[Cl:1][C:2]1[CH:9]=[C:8]([O:10][CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][O:12]2)[CH:7]=[CH:6][C:3]=1[CH:4]=O.ClC1C=C(O)C=CC=1C=O.C(O)(=O)[CH2:28][C:29]([OH:31])=[O:30].N1CCCCC1>N1C=CC=CC=1>[Cl:1][C:2]1[CH:9]=[C:8]([O:10][CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][O:12]2)[CH:7]=[CH:6][C:3]=1[CH:4]=[CH:28][C:29]([OH:31])=[O:30]
참가 물질실험 절차출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 867Malonic AcidHCID 8082PiperidineHCID 1853632-Chloro-4-hydroxybenzaldehydeHCID 221373212-Chloro-4-(tetrahydro-pyran-2-yloxy)-benzaldehyde

생성물 1

HCID 545381342-Chloro-4-(2-tetrahydropyranyloxy)cinnamic acid수율 55%

시약·촉매·용매 1

HCID 1049
Pyridine
용매

실험 절차

Using 4.8 g of 2-chloro-4-(2-tetrahydropyranyloxy)benzaldehyde derived from 2-chloro-4-hydroxybenzaldehyde by the introduction of tetrahydropyranyl group thereinto, 4.2 g of malonic acid, 80 ml of pyridine, and 0.5 ml of piperidine, a reaction similar to that performed in Example 99 was carried out. As a result, 3.1 g of 2-chloro-4-(2-tetrahydropyranyloxy)cinnamic acid was obtained as crystal, which had the following physiochemical properties:

출처 및 근거

ORD 기록
ord-3a7632feda264ccd8d81f8fbab9a9634
출처 데이터셋
uspto-grants-1994_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05344845

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