Carbonic acid-guanidine (1:1) → HCID 178493423, compound

HRID 2387851Notes

Reaction equation

HRID 2387851 reaction equation
[OH:1][C:2]1[CH:17]=[CH:16][C:5]([CH2:6][CH:7]([C:13](=O)[CH3:14])[C:8](OCC)=[O:9])=[C:4]([O:18][CH3:19])[CH:3]=1.C(=O)(O)O.[NH2:24][C:25]([NH2:27])=[NH:26]>CCO>[NH2:27][C:25]1[N:26]=[C:8]([OH:9])[C:7]([CH2:6][C:5]2[CH:16]=[CH:17][C:2]([OH:1])=[CH:3][C:4]=2[O:18][CH3:19])=[C:13]([CH3:14])[N:24]=1

Participants

4

Reactant 2

HCID 286947Carbonic acid-guanidine (1:1)HCID 68415133Ethyl 2-(4-hydroxy-2-methoxybenzyl)-3-oxobutanoate

Product 1

HCID 178493423HCID 178493423, compound

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

A mixture of the product from step (ii) (23.35 g) and guanidine carbonate (15.9 g) in EtOH (300 ml) was heated under reflux for 24 h. The mixture was cooled and the solid filtered and washed with EtOH, water, EtOH then diethyl ether and dried to afford the subtitle compound, 11.36 g.

Workup

  1. temperaturewas heated
  2. temperatureunder reflux for 24 h
  3. temperatureThe mixture was cooled
  4. filtrationthe solid filtered
  5. washwashed with EtOH, water, EtOH
  6. dry with materialdiethyl ether and dried

Sources & evidence

ORD record
ord-5556f0b6ab3045b69709ac0ecf8a097e
Source dataset
uspto-grants-2012_09
Patent number
US08268990B2

Reaction notes

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