7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one

It’s also a valuable heterocyclic building block in pharmaceutical research, particularly for developing new neuroactive drugs targeting dopamine receptors for conditions like depression or Parkinson’s, leveraging its core benzazepine structure. 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one is used mainly as a crucial intermediate in synthesizing Tolvaptan, a medication for low sodium levels (hyponatremia) from heart failure or cirrhosis and SIADH, acting as a vasopressin V2 receptor antagonist.

API Name Tolvaptan
CAS No 137982-91-3
Molecular Formula C18H15ClN2O4
Molecular Weight 358.8 g/mol
Synonyms 7-chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-2H-1-benzazepin-5-one

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