Ethanol → HCID 21387753, compound
Reaction equation
[NH2:1][N:2]1[C:7](=[O:8])[C:6]([C:9]([CH3:12])([CH3:11])[CH3:10])=[N:5][N:4]=[C:3]1[S:13][CH3:14].O.[C:16]([OH:20])(=[O:19])[CH:17]=[O:18].[CH2:21](O)[CH3:22]>>[CH3:14][S:13][C:3]1[N:2]([NH:1][CH:17]([O:18][CH2:21][CH3:22])[C:16]([OH:20])=[O:19])[C:7](=[O:8])[C:6]([C:9]([CH3:11])([CH3:10])[CH3:12])=[N:5][N:4]=1Participants
4
Procedure
214 g (1 mol) of 4-amino-6-tert.-butyl-3-methylthio-1,2,4-triazin-5-one, 101 g (1.1 mols) of glyoxylic acid monohydrate and 2 liters of ethanol were stirred for 12 hours at room temperature. The product which had precipitated was filtered off and the filtrate was concentrated, whereupon further material crystallized out. The combined filtrate residues were stirred in about 500 ml of cold water for 1/2 hour and the product was filtered off and dried at 40° C in vacuo. 304 g (96% of theory) of N-(3-methylthio-6-tert.-butyl-1,2,4-triazin-5-on-4-yl)- α-ethoxy-glycine of melting point 154°-55° C (decomposition) were obtained.
Workup
- customThe product which had precipitated
- filtrationwas filtered off
- concentrationthe filtrate was concentrated, whereupon further material
- customcrystallized out
- filtrationthe product was filtered off
- customdried at 40° C in vacuo
Sources & evidence
- ORD record
- ord-3c388811cc28479d9a42123669f4d57f
- Source dataset
- uspto-grants-1978_01
- Patent number
- US04067724
Reaction notes
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