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1-[2-(Aminooxy)-2-methylpropionyl]-2-(3,4-dihydroxybenzoyl)hydrazine hydrochloride → (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[1-[2-(3,4-dihydroxybenzoyl)hydrazinyl]-2-methyl-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-[[2-(hydroxycarbamoyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

HRID 1755892
Notes
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Reaction equation

HRID 1755892 reaction equation
[NH2:1][C:2]1[S:3][CH:4]=[C:5]([C:7](=O)[C:8]([NH:10][C@@H:11]2[C:18](=[O:19])[N:17]3[C@@H:12]2[S:13][CH2:14][C:15]([CH2:23][S:24][C:25]2[N:30]4[N:31]=[C:32]([C:34](=[O:37])[NH:35][OH:36])[N:33]=[C:29]4[N:28]=[C:27]([CH3:38])[CH:26]=2)=[C:16]3[C:20]([OH:22])=[O:21])=[O:9])[N:6]=1.Cl.[NH2:41][O:42][C:43]([CH3:59])([CH3:58])[C:44]([NH:46][NH:47][C:48](=[O:57])[C:49]1[CH:54]=[CH:53][C:52]([OH:55])=[C:51]([OH:56])[CH:50]=1)=[O:45]>CC(N(C)C)=O>[NH2:1][C:2]1[S:3][CH:4]=[C:5](/[C:7](=[N:41]/[O:42][C:43]([C:44](=[O:45])[NH:46][NH:47][C:48](=[O:57])[C:49]2[CH:54]=[CH:53][C:52]([OH:55])=[C:51]([OH:56])[CH:50]=2)([CH3:58])[CH3:59])/[C:8]([NH:10][C@@H:11]2[C:18](=[O:19])[N:17]3[C@@H:12]2[S:13][CH2:14][C:15]([CH2:23][S:24][C:25]2[N:30]4[N:31]=[C:32]([C:34](=[O:37])[NH:35][OH:36])[N:33]=[C:29]4[N:28]=[C:27]([CH3:38])[CH:26]=2)=[C:16]3[C:20]([OH:22])=[O:21])=[O:9])[N:6]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 199179071-[2-(Aminooxy)-2-methylpropionyl]-2-(3,4-dihydroxybenzoyl)hydrazine hydrochlorideHCID 86748850HCID 86748850, compound

Product 1

HCID 88419947(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[1-[2-(3,4-dihydroxybenzoyl)hydrazinyl]-2-methyl-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-[[2-(hydroxycarbamoyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acidYield 72.8%

Reagents, catalysts & solvents

1
HCID 31374DimethylacetamideSolvent

Procedure

(6R,7R)-7-(2-Amino-4-thiazoleglyoxylamido)-3-[[[2-(hydroxycarbamoyl)-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 (60 mg) (0.101 mmol) and 40 mg (0.1318 mmol) of 1-[2-(aminooxy)-2-methylpropionyl]-2-(3,4-dihydroxybenzoyl)hydrazine hydrochloride are dissolved in 3 ml of absolute dimethylacetamide. After stirring at room temperature for 24 hours the solvent is removed at room temperature in a high vacuum. The residual oil is treated with water and the precipitated product is filtered off. The whole is washed in succession with water, ethanol and diethyl ether and dried at room temperature in a high vacuum. There are obtained 62 mg of (6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[1-[3-(3,4-dihydroxybenzoyl)carbazoyl]-1-methylethoxy]imino]acetamido]-3-[[[2-(hydroxycarbamoyl)-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 as a beige powder.

Workup

  1. customis removed at room temperature in a high vacuum
  2. additionThe residual oil is treated with water
  3. filtrationthe precipitated product is filtered off
  4. washThe whole is washed in succession with water, ethanol and diethyl ether
  5. customdried at room temperature in a high vacuum

Sources & evidence

ORD record
ord-ae6a3c1342e1411a859a6bee21b633e8
Source dataset
uspto-grants-1995_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05438052

Reaction notes

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