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Hydrochloric Acid → 7-[2-(2-Aminothiazol-4-yl)-2-(2-chloroethoxyimino)-acetamido]-3-cephem-4-carboxylic acid

HRID 364568
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반응식

HRID 364568 반응식
C([NH:3][C:4]1[S:5][CH:6]=[C:7]([C:9](=[N:25][O:26][CH2:27][CH2:28][Cl:29])[C:10]([NH:12][CH:13]2[C:23](=[O:24])[N:15]3[C:16]([C:20]([OH:22])=[O:21])=[CH:17][CH2:18][S:19][C@H:14]23)=[O:11])[N:8]=1)=O.Cl.CO>O1CCCC1>[NH2:3][C:4]1[S:5][CH:6]=[C:7]([C:9](=[N:25][O:26][CH2:27][CH2:28][Cl:29])[C:10]([NH:12][CH:13]2[C:23](=[O:24])[N:15]3[C:16]([C:20]([OH:22])=[O:21])=[CH:17][CH2:18][S:19][C@H:14]23)=[O:11])[N:8]=1
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참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 887MethanolHCID 1317124827-[2-(2-Formamidothiazol-4-yl)-2-(2-chloroethoxyimino)acetamido]-3-cephem-4-carboxylic acid

생성물 1

HCID 1317124837-[2-(2-Aminothiazol-4-yl)-2-(2-chloroethoxyimino)-acetamido]-3-cephem-4-carboxylic acid수율 82.8%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

7-[2-(2-Formamidothiazol-4-yl)-2-(2-chloroethoxyimino)acetamido]-3-cephem-4-carboxylic acid (syn isomer, 1.8 g.), conc. hydrochloric acid (1.6 g.), methanol (27 ml.) and tetrahydrofuran (40 ml.) were treated in a similar manner to that of Example 15-(3) to give 7-[2-(2-aminothiazol-4-yl)-2-(2-chloroethoxyimino)acetamido]-3-cephem-4-carboxylic acid (syn isomer, 1.4 g.).

출처 및 근거

ORD 기록
ord-9421dcb1dd1846afbbf047ffc758f124
출처 데이터셋
uspto-grants-1986_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04604456

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