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Trifluoroacetic acid → (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[4,5-bis[(2-chloroacetyl)oxy]-2-methylbenzoyl]oxyiminoacetyl]amino]-3-[(7-methyl-5-oxo-[1,3,4]thiadiazolo[3,2-a]pyrimidin-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

HRID 1032189
Notes
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Reaction equation

HRID 1032189 reaction equation
C1(C([O:14][C:15]([C:17]2[N:18]3[C@H:21]([S:22][CH2:23][C:24]=2[CH2:25][S:26][C:27]2[S:37][C:30]4=[N:31][C:32]([CH3:36])=[CH:33][C:34](=[O:35])[N:29]4[N:28]=2)[C@H:20]([NH:38][C:39](=[O:87])/[C:40](/[C:62]2[N:63]=[C:64]([NH:67]C(C4C=CC=CC=4)(C4C=CC=CC=4)C4C=CC=CC=4)[S:65][CH:66]=2)=[N:41]\[O:42][C:43](=[O:61])[C:44]2[CH:49]=[C:48]([O:50][C:51](=[O:54])[CH2:52][Cl:53])[C:47]([O:55][C:56](=[O:59])[CH2:57][Cl:58])=[CH:46][C:45]=2[CH3:60])[C:19]3=[O:88])=[O:16])C2C=CC=CC=2)C=CC=CC=1.C1(OC)C=CC=CC=1.FC(F)(F)C(O)=O>ClC(Cl)C>[NH2:67][C:64]1[S:65][CH:66]=[C:62](/[C:40](=[N:41]/[O:42][C:43](=[O:61])[C:44]2[CH:49]=[C:48]([O:50][C:51](=[O:54])[CH2:52][Cl:53])[C:47]([O:55][C:56](=[O:59])[CH2:57][Cl:58])=[CH:46][C:45]=2[CH3:60])/[C:39]([NH:38][C@@H:20]2[C:19](=[O:88])[N:18]3[C@@H:21]2[S:22][CH2:23][C:24]([CH2:25][S:26][C:27]2[S:37][C:30]4=[N:31][C:32]([CH3:36])=[CH:33][C:34](=[O:35])[N:29]4[N:28]=2)=[C:17]3[C:15]([OH:16])=[O:14])=[O:87])[N:63]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6422Trifluoroacetic acidHCID 7519AnisoleHCID 16166549benzhydryl (6R,7R)-7-[[(2Z)-2-[4,5-bis[(2-chloroacetyl)oxy]-2-methylbenzoyl]oxyimino-2-[2-(tritylamino)-1,3-thiazol-4-yl]acetyl]amino]-3-[(7-methyl-5-oxo-[1,3,4]thiadiazolo[3,2-a]pyrimidin-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Product 1

HCID 14124722
(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[4,5-bis[(2-chloroacetyl)oxy]-2-methylbenzoyl]oxyiminoacetyl]amino]-3-[(7-methyl-5-oxo-[1,3,4]thiadiazolo[3,2-a]pyrimidin-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Yield 93.3%

Reagents, catalysts & solvents 1

HCID 63651,1-DichloroethaneSolvent

Procedure

To a solution of the product obtained in Step 5 (0.47 g) in dichloroethane (3.5 ml) were added anisole (0.23 ml) and trifluoroacetic acid (0.47 ml) under ice cooling, and the resulting solution was stirred at room temperature for five hours. After removing the solvent under reduced pressure, the residue was crystallized with ether, giving 0.3 g of the objective compound (as trifluoroacetic acid salt).

Workup

  1. customAfter removing the solvent under reduced pressure
  2. customthe residue was crystallized with ether

Sources & evidence

ORD record
ord-536a286ee74e48deb5260c0a73209abe
Source dataset
uspto-grants-1990_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04956474

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes