Hydrochloric Acid → 2-[2-(4-amidinophenyl)ethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(ethoxycarbonylmethyl)amide dihydrochloride

HRID 50213Notes

Reaction equation

HRID 50213 reaction equation
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[N:7]([CH2:29][C:30]([O:32][CH2:33][CH3:34])=[O:31])[C:8]([C:10]1[CH:11]=[CH:12][C:13]2[S:17][C:16]([CH2:18][CH2:19][C:20]3[CH:25]=[CH:24][C:23]([C:26]#[N:27])=[CH:22][CH:21]=3)=[N:15][C:14]=2[CH:28]=1)=[O:9].[ClH:35].C(O)C.C(=O)([O-])[O-].[NH4+:43].[NH4+]>C(O)(=O)C.C(Cl)Cl.C(O)C>[ClH:35].[ClH:35].[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[N:7]([CH2:29][C:30]([O:32][CH2:33][CH3:34])=[O:31])[C:8]([C:10]1[CH:11]=[CH:12][C:13]2[S:17][C:16]([CH2:18][CH2:19][C:20]3[CH:21]=[CH:22][C:23]([C:26](=[NH:43])[NH2:27])=[CH:24][CH:25]=3)=[N:15][C:14]=2[CH:28]=1)=[O:9]

Participants

7

Reactant 4

HCID 313Hydrochloric AcidHCID 702EthanolHCID 517111Ammonium CarbonateHCID 184125812-[2-(4-cyanophenyl)ethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(ethoxycarbonylmethyl)amide

Product 1

HCID 184126672-[2-(4-amidinophenyl)ethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(ethoxycarbonylmethyl)amide dihydrochlorideYield 95%

Reagents, catalysts & solvents 2

HCID 176Acetic AcidCatalystHCID 21584144Dichloromethane ethanolSolvent

Procedure

Prepared analogously to Example 9 from 2-[2-(4-cyanophenyl)ethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(ethoxycarbonylmethyl)amide, ethanolic hydrochloric acid, ethanol, and ammonium carbonate. Yield: 95% of theory, C26H25N5O3S (487.58); Rf value: 0.20 (silica gel; methylene chloride/ethanol=4:1+a few drops of acetic acid); EKA mass spectrum: (M+H)+=488.

Sources & evidence

ORD record
ord-b17702371bd24fa3b50f9fa5a35f31ae
Source dataset
uspto-grants-2004_03
Patent number
US06710055B2

Reaction notes

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