Calcium Carbonate → L-Tryptophan

HRID 1197407Notes

Reaction equation

O=[CH:2][C@@H:3]([C@H:5]([C@@H:7]([C@@H:9]([CH2:11]O)O)O)O)O.OP([O-])(O)=O.[K+].OP([O-])([O-])=O.[K+].[K+].S([O-])([O-])(=O)=O.[NH4+:31].[NH4+].OC(CCCC[C@H:40]1[C@@H:48]2[C@@H:43]([NH:44][C:45](N2)=O)CS1)=O.[C:49]([O-:52])([O-])=[O:50].[Ca+2]>>[NH2:31][C@H:2]([C:49]([OH:52])=[O:50])[CH2:3][C:5]1[C:7]2[C:43](=[CH:48][CH:40]=[CH:11][CH:9]=2)[NH:44][CH:45]=1

Participants

Reactant 6

HCID 10112Calcium Carbonate

HCID 24450Potassium Phosphate, Dibasic

HCID 107526(2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanal

HCID 171548Biotin

HCID 516951Monobasic potassium phosphate

HCID 6097028Ammonium Sulfate

Product 1

HCID 6305L-Tryptophan

Procedure

6% glucose, 0.05% KH2PO4, 0.05% K2HPO4, 0.025% MgSO4.7H2O, 0.025% ammonium sulfate, 30 μg/l biotin, 10 mg/l MnSO4.7H2O, 0.5% corn steep liquor, 2% CaCO3 (pH 7.2)

Sources & evidence

ORD record: ord-227a981ba73f4d34b0a248ac15e45238
Source dataset: uspto-grants-1994_01
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05275940

Reaction notes

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