Sulfuric Acid → Tetrasodium Pyrophosphate

HRID 247361

Reaction equation

C1C(C(N)=O)=CN(C2OC(C[O:16][P:17]([O:20][P:21]([O:24]CC3OC(N4C5N=CN=C(N)C=5N=C4)C(OP([O-])([O-])=O)C3O)([O-:23])=[O:22])([O-:19])=[O:18])C(O)C2O)C=C1.[Na+:49].[Na+].[Na+].[Na+].P([O-])([O-])([O-])=O.[Na+].[Na+].[Na+].S(=O)(=O)(O)O.P(O)([O-])([O-])=O.[Na+].[Na+]>>[O-:18][P:17]([O:20][P:21]([O-:24])([O-:23])=[O:22])(=[O:16])[O-:19].[Na+:49].[Na+:49].[Na+:49].[Na+:49]

Participants

Reactant 4

HCID 1118Sulfuric Acid

HCID 24203Sodium Phosphate, Dibasic

HCID 24243Trisodium Phosphate

HCID 12598259[2-adenin-9-yl-5-[[[[5-(3-carbamoyl-4H-pyridin-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-oxido-phosphoryl]oxy-oxido-phosphoryl]oxymethyl]-4-hydroxy-tetrahydrofuran-3-yl] phosphate

Product 1

HCID 24403Tetrasodium Pyrophosphate

Procedure

Process as claimed in claim 13 for the production of tetrasodium pryophosphate, wherein trisodium orthophosphate is acidified with sulfuric acid, disodium orthophosphate is separated from the reaction mixture and the disodium orthophosphate so separated is heated to btween 400° C. and 600° C. to form tetrasodium pyrophosphate.

Workup

customis separated from the reaction mixture
customthe disodium orthophosphate so separated
temperatureis heated
customto btween 400° C. and 600° C.

Sources & evidence

ORD record: ord-8385db6a427848048763553cfc703fd0
Source dataset: uspto-grants-1987_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04707344

Linked notes

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