p-Toluenesulfonic acid monohydrate → HCID 18599866, compound

HRID 620992Notes

Reaction equation

HRID 620992 reaction equation
[N:1]([C@H:4]1[NH:7][C:6](=[O:8])[C@H:5]1[NH:9]C(C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)=[N+:2]=[N-:3].O.C1(C)C=CC(S(O)(=O)=O)=CC=1>CC(C)=O>[NH2:9][C@H:5]1[C@@H:4]([N:1]=[N+:2]=[N-:3])[NH:7][C:6]1=[O:8]

Participants

4

Reactant 2

HCID 521998p-Toluenesulfonic acid monohydrateHCID 53771027HCID 53771027, compound

Product 1

HCID 18599866HCID 18599866, compound

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

To a solution of 0.45 g of (3S,4R)-4-azido-3-tritylamino-2-oxoazetidine in 4 ml of acetone is added under ice-cooling 0.255 g of p-toluenesulfonic acid monohydrate, and the mixture is stirred for one hour at room temperature. The solvent is distilled off, and the resulting crystals are washed with ether. The crystals are collected by filtration to give 0.33 g of tosyl salt of (3S,4R)-3-amino-4-azido-2-oxoazetidine.

Workup

  1. distillationThe solvent is distilled off
  2. washthe resulting crystals are washed with ether
  3. filtrationThe crystals are collected by filtration

Sources & evidence

ORD record
ord-2ce5d9d148224d1abab7c8c92d692870
Source dataset
uspto-grants-1989_04
Patent number
US04822790

Reaction notes

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