Methyl iodide → HCID 18958860, compound
Reaction equation
[CH2:1]([C:4]1[N:9]=[C:8]([CH3:10])[N:7]2[N:11]=[C:12]([SH:14])[N:13]=[C:6]2[C:5]=1[CH2:15][C:16]1[CH:21]=[CH:20][C:19]([N+:22]([O-:24])=[O:23])=[CH:18][CH:17]=1)[CH2:2][CH3:3].[CH3:25]I>C(Cl)(Cl)Cl.C(N(CC)CC)C>[CH2:1]([C:4]1[N:9]=[C:8]([CH3:10])[N:7]2[N:11]=[C:12]([S:14][CH3:25])[N:13]=[C:6]2[C:5]=1[CH2:15][C:16]1[CH:21]=[CH:20][C:19]([N+:22]([O-:24])=[O:23])=[CH:18][CH:17]=1)[CH2:2][CH3:3]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
5 g of 7-n-propyl-5-methyl-2-mercapto-8-(4-nitrobenzyl)-1,2,4-triazolo[1,5-c]pyrimidine, prepared in Example 37, are dissolved in 50 ml of chloroform and 2.2 ml of triethylamine. 1.5 ml of methyl iodide are added and the mixture is stirred at room temperature for 2 hours and then left overnight. The mixture is then washed with dilute sodium hydroxide solution and the organic phase is separated after settling has taken place, dried over magnesium sulphate and evaporated under vacuum to give a residue which crystallise in an ether/pentane mixture to yield 4 g of 7-n-propyl-5-methyl-2-methylmercapto-8-(4-nitrobenzyl)-1,2,4triazolo[1,5-c]pyrimidine in the form of crystals of melting point 130° C.
Workup
- waitleft overnight
- washThe mixture is then washed with dilute sodium hydroxide solution
- customthe organic phase is separated after settling
- dry with materialdried over magnesium sulphate
- customevaporated under vacuum
- customto give a residue which
- customcrystallise in an ether/pentane mixture
Sources & evidence
- ORD record
- ord-e66360f9f4744eb5aeac7349d9a17b7e
- Source dataset
- uspto-grants-1994_10
- Patent number
- US05358950
Reaction notes
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