Réaction #795661

ord-e25d897e492d4742bb2901a590601c20

Équation de réaction

CC(C)(C)OC(=O)Nc1nc(/C(=N/OC2(C(=O)OC(c3ccccc3)c3ccccc3)CC2)C(=O)N[C@@H]2C(=O)N[C@@H]2CO)cs1
benzhydryl 1-(((Z)-(1-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)-2-(((2S,3S)-2-(hydroxymethyl)-4-oxoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)cyclopropanecarboxylate
CS(=O)(=O)Cl
MsCl
→
CC(C)(C)OC(=O)Nc1nc(/C(=N/OC2(C(=O)OC(c3ccccc3)c3ccccc3)CC2)C(=O)N[C@@H]2C(=O)N[C@@H]2COS(C)(=O)=O)cs1
title compound
CC(C)(C)OC(=O)Nc1nc(/C(=N/OC2(C(=O)OC(c3ccccc3)c3ccccc3)CC2)C(=O)N[C@@H]2C(=O)N[C@@H]2COS(C)(=O)=O)cs1
Benzhydryl 1-(((Z)-(1-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)-2-(((2S,3S)-2-(((methylsulfonyl)oxy)methyl)-4-oxoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)cyclopropanecarboxylate

Réactifs

—
TEA
CC(C)(C)OC(=O)Nc1nc(/C(=N/OC2(C(=O)OC(c3ccccc3)c3ccccc3)CC2)C(=O)N[C@@H]2C(=O)N[C@@H]2CO)cs1
benzhydryl 1-(((Z)-(1-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)-2-(((2S,3S)-2-(hydroxymethyl)-4-oxoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)cyclopropanecarboxylate
CS(=O)(=O)Cl
MsCl

Réactifs

Aucun

Solvants

C1CCOC1
THF
CCOC(C)=O
EtOAc

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    Lavagewashed with brine
  2. 2
    Séchagedried over Na2SO4
  3. 3
    Filtrationfiltered
  4. 4
    Concentrationconcentrated in vacuo

Mode opératoire

To a solution of benzhydryl 1-(((Z)-(1-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)-2-(((2S,3S)-2-(hydroxymethyl)-4-oxoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)cyclopropanecarboxylate (1 g, 1.57 mmol) at 0° C. in THF (15.7 ml) was added TEA (0.66 ml, 4.7 mmol) and MsCl (25 μl, 0.32 mmol). After 2 h, the reaction mixture was diluted with EtOAc, washed with brine, dried over Na2SO4, filtered and concentrated in vacuo, affording the title compound (assumed quantitative). LCMS: R=0.99 min, m/z=714.1 (M+1), Method 2m_acidic.

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US09174978B2uspto-grants-2015_11