Hydroxyamine hydrochloride → HCID 13051039, 화합물

HRID 28240노트

반응식

HRID 28240 반응식
C(O)(=O)C.[OH:5][C:6]1[CH:19]=[C:18]2[C:9]([CH:10]=[CH:11][C:12]3[O:13][CH:14]=[C:15]([CH:21]=O)[C:16](=[O:20])[C:17]=32)=[CH:8][CH:7]=1.Cl.[NH2:24]O.C([O-])=O.[Na+]>C(O)=O>[OH:5][C:6]1[CH:19]=[C:18]2[C:9]([CH:10]=[CH:11][C:12]3[O:13][CH:14]=[C:15]([C:21]#[N:24])[C:16](=[O:20])[C:17]=32)=[CH:8][CH:7]=1

참가 물질

5

반응물 3

HCID 443297Hydroxyamine hydrochlorideHCID 2723810Sodium FormateHCID 867372399-hydroxy-1-oxo-1H-naphtho[2,1-b]pyran-2-carboxaldehyde acetate

생성물 1

HCID 13051039HCID 13051039, 화합물

시약·촉매·용매 1

HCID 284Formic Acid용매

실험 절차

A mixture of 9-hydroxy-1-oxo-1H-naphtho[2,1-b]pyran-2-carboxaldehyde acetate (1 mm), hydroxylamine hydrochloride (1.3 mm) and sodium formate (2 mm) is refluxed for 30 hrs. in formic acid (3 parts). The product crystallize on cooling, is filtered and washed with acetone. The dry crystals are light beige, m.p. 289°-92° C.

후처리

  1. temperatureis refluxed for 30 hrs
  2. customThe product crystallize
  3. temperatureon cooling
  4. filtrationis filtered
  5. washwashed with acetone

출처 및 근거

ORD 기록
ord-1f75bfc4a18549a383df5e6ba879eded
출처 데이터셋
uspto-grants-1980_09
특허 번호
US04225722

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