Tyramine → Biotin tyramine

HRID 2681

Reaction equation

HRID 2681 reaction equation
ON1C(=O)CCC1=O.[OH:9][C:10]([CH2:12][CH2:13][CH2:14][CH2:15][C@H:16]1[C@@H:24]2[C@@H:19]([NH:20][C:21]([NH:23]2)=[O:22])[CH2:18][S:17]1)=[O:11].[NH2:25][CH2:26][CH2:27][C:28]1[CH:33]=[CH:32][C:31]([OH:34])=[CH:30][CH:29]=1.C(=O)(O)[O-].C([NH+](CC)CC)C>CN(C)C=O>[OH:11][C:10]([CH2:12][CH2:13][CH2:14][CH2:15][C@H:16]1[C@@H:24]2[C@@H:19]([NH:20][C:21]([NH:23]2)=[O:22])[CH2:18][S:17]1)=[O:9].[NH2:25][CH2:26][CH2:27][C:28]1[CH:33]=[CH:32][C:31]([OH:34])=[CH:30][CH:29]=1

Participants

5

Reactant 3

HCID 5610TyramineHCID 11768884Triethylammonium hydrogen carbonateHCID 86743017n-Hydroxysuccinimide biotin

Product 1

HCID 86746652Biotin tyramine

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
50 °C

Procedure

a solution of biotin-N-hydroxysuccinimide, 170 mg (0.5 mMoles), and tyramine (recrystallized from water), 68.5 mg (0.5 mMoles), in 25 ml dimethylformamide was treated with 10 ml of 1M triethylammonium bicarbonate, pH 7.5, and then heated at 50° C. for 3 hours.

Sources & evidence

ORD record
ord-989c68d91dfc4d74a9b62cfdff0165f9
Source dataset
uspto-grants-1998_03
Patent number
US05731158

Linked notes

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