p-Toluenesulfonic acid monohydrate → (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(5-hydroxy-6-oxo-1H-pyrimidin-2-yl)methoxyimino]acetyl]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 1755867Notes

Reaction equation

HRID 1755867 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.[NH2:40][O:41][CH2:42][C:43]1[NH:44][CH:45]=[C:46]([OH:50])[C:47](=[O:49])[N:48]=1.O.C1(C)C=CC(S(O)(=O)=O)=CC=1>CC(N(C)C)=O>[NH2:1][C:2]1[S:3][CH:4]=[C:5](/[C:7](=[N:40]/[O:41][CH2:42][C:43]2[NH:44][CH:45]=[C:46]([OH:50])[C:47](=[O:49])[N:48]=2)/[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

Participants

5

Reactant 3

HCID 521998p-Toluenesulfonic acid monohydrateHCID 86748850HCID 86748850, compoundHCID 178514652HCID 178514652, compound

Product 1

HCID 178429669(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(5-hydroxy-6-oxo-1H-pyrimidin-2-yl)methoxyimino]acetyl]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 65.2%

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 (25 mg) (0.042 mmol), 8.6 mg (0.055 mmol) of 2-(aminooxy)methyl-5-hydroxy-4(1H)-pyrimidinone and 10.5 mg (0.055 mmol) of p-toluenesulphonic acid hydrate are dissolved in 3 ml of absolute dimethylacetamide. After stirring at room temperature for 24 hours the solvent is removed in a high vacuum at room temperature and the residue is treated with 3 ml of water. The precipitated product is filtered off and washed in succession with water and diethyl ether. After drying in a high vacuum there are obtained 20 mg of (6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[(1,4-dihydro-5-hydroxy-4-oxo-2-pyrimidinyl)methoxy]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 in a high vacuum at room temperature
  2. additionthe residue is treated with 3 ml of water
  3. filtrationThe precipitated product is filtered off
  4. washwashed in succession with water and diethyl ether
  5. customAfter drying in a high vacuum

Sources & evidence

ORD record
ord-f6e8b8656e0b44bca4fe1de2bc54d2fc
Source dataset
uspto-grants-1995_08
Patent number
US05438052

Reaction notes

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