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Phosphorus pentachloride → 2-t-Butylamino-4-methyl-thiazole-5-carboxylic acid (cyano-thiophen-2-yl-methyl)-amide

HRID 439291
Notes
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Reaction equation

HRID 439291 reaction equation
[C:1]([NH:5][C:6]1[S:7][C:8]([C:12]([OH:14])=O)=[C:9]([CH3:11])[N:10]=1)([CH3:4])([CH3:3])[CH3:2].C(NC1SC(C(Cl)=O)=C(C)N=1)(C)(C)C.P(Cl)(Cl)(Cl)(Cl)Cl.Cl.[NH2:36][CH:37]([C:40]1[S:41][CH:42]=[CH:43][CH:44]=1)[C:38]#[N:39]>C(N(CC)CC)C>[C:38]([CH:37]([NH:36][C:12]([C:8]1[S:7][C:6]([NH:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[N:10][C:9]=1[CH3:11])=[O:14])[C:40]1[S:41][CH:42]=[CH:43][CH:44]=1)#[N:39]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 24819Phosphorus pentachlorideHCID 91547022-t-Butylamino-4-methyl-thiazole-5-carboxylic acidHCID 133524562-Thiopheneacetonitrile, a-amino-, monohydrochlorideHCID 541696032-t-Butylamino-4-methyl-thiazole-5-carboxylic acid chloride

Product 1

HCID 541457062-t-Butylamino-4-methyl-thiazole-5-carboxylic acid (cyano-thiophen-2-yl-methyl)-amide
Yield 41%

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

1.5g of 2-t-butylamino-4-methyl-thiazole-5-carboxylic acid was converted into 2-t-butylamino-4-methyl-thiazole-5-carboxylic acid chloride using 1.6g of phosphorus pentachloride according to the same procedure as EXAMPLE 1. Then 1.4g of amino-thiophen-2-yl-acetonitrile hydrochloride and 3.3ml of triethylamine were added thereto and the reaction mixture was treated according to the same procedure as EXAMPLE 1 to obtain 0.96g (Yield 41%) of the title compound.

Workup

  1. additionthe reaction mixture was treated

Sources & evidence

ORD record
ord-901ba6a8ae6d427db531ead943d298b2
Source dataset
uspto-grants-1996_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05514643

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes