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Sodium Hydroxide → HCID 178499047, compound

HRID 1461068
Notes
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Reaction equation

HRID 1461068 reaction equation
[NH2:1][O:2][CH2:3][S:4]([C:7]1[CH:8]=[C:9]([OH:14])[C:10](=[CH:12][CH:13]=1)[OH:11])(=[O:6])=[O:5].[NH2:15][C:16]1[S:17][CH:18]=[C:19]([C:21](=O)[C:22]([NH:24][C@@H:25]2[C:32](=[O:33])[N:31]3[C@@H:26]2[S:27][CH2:28][C:29]([CH2:37][S:38][C:39]2[N:44]4[N:45]=[C:46]([C:48]([O:50][CH3:51])=[O:49])[N:47]=[C:43]4[N:42]=[C:41]([CH3:52])[CH:40]=2)=[C:30]3[C:34]([OH:36])=[O:35])=[O:23])[N:20]=1.[OH-].[Na+:55].O.CO>O.CO>[Na+:55].[NH2:15][C:16]1[S:17][CH:18]=[C:19](/[C:21](=[N:1]/[O:2][CH2:3][S:4]([C:7]2[CH:13]=[CH:12][C:10]([OH:11])=[C:9]([OH:14])[CH:8]=2)(=[O:5])=[O:6])/[C:22]([NH:24][C@@H:25]2[C:32](=[O:33])[N:31]3[C@@H:26]2[S:27][CH2:28][C:29]([CH2:37][S:38][C:39]2[N:44]4[N:45]=[C:46]([C:48]([O:50][CH3:51])=[O:49])[N:47]=[C:43]4[N:42]=[C:41]([CH3:52])[CH:40]=2)=[C:30]3[C:34]([O-:36])=[O:35])=[O:23])[N:20]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 14798Sodium HydroxideHCID 19022435HCID 19022435, compoundHCID 22242641Methanol--water (1/1)HCID 88442830HCID 88442830, compound

Product 1

HCID 178499047HCID 178499047, compound

Reagents, catalysts & solvents 2

HCID 887
Methanol
Solvent
HCID 962WaterSolvent2×

Procedure

122 mg of 4-[[(aminooxy)methyl]sulphonyl]pyrocatechol were reacted with 236 mg of (6R,7R)-7-(2-amino-4-thiazoleglyoxylamido)-3-[[[2-(methoxycarbonyl)-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid according to the procedure described in Example 7. The crude product obtained was suspended in 10 ml of water and brought into solution by the slow addition of 0.1N sodium hydroxide solution, with care being taken that the pH of the solution did not exceed 7. By chromatography on MCI gel CHP 20P using water as the elution agent as well as water/methanol mixtures with increasing amounts of methanol and lyophilization of the concentrated product fractions, there was obtained (6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[[(3,4-dihydroxyphenyl)sulphonyl]methoxy]imino]acetamido]-3-[[(2-(methoxycarbonyl)-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl]thio]methyl]-8-oxo-5-thia-1 -azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid monosodium salt as a white powder.

Workup

  1. customThe crude product obtained

Sources & evidence

ORD record
ord-d8bc98218b0c476a9992955be84330d2
Source dataset
uspto-grants-1991_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05073550

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes