69048-98-2

Basic information

• Product Name: 1-ethyl-1,2-dihydro-5H-tetrazol-5-one
• Synonyms: 5H-Tetrazol-5-one,1-ethyl-1,2-dihydro-;1-ethyl-1,2-dihydro-5H-tetrazol-5-one;1-Ethyltetrazolinone;1-Ethyl-1,4-dihydro-5H-tetrazol-5-one;1-Ethyl-1,4-dihydro-5H-tetrazol-5-one,98+%;1-Ethyl-1H-tetrazol-5(4H)-one;1-ethyl-2H-1,2,3,4-tetrazol-5-one;1-ethyl-2H-tetrazol-5-one
• CAS NO: 69048-98-2
• Molecular Formula: C₃H₆N₄O
• Molecular Weight: 114.10594
• EINECS: 273-844-2
• Product Categories: Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals
• Mol File: 69048-98-2.mol
• Article Data: 11

Chemical Properties

• Melting Point: 80℃
• Boiling Point: 121℃
• Flash Point: 27℃
• Appearance: /
• Density: 1.55
• Vapor Pressure: 15.1mmHg at 25°C
• Refractive Index: 1.676
• Storage Temp.: Refrigerator, under inert atmosphere
• Solubility: Chloroform (Slightly), Dichloromethane (Slightly)
• PKA: -1.42±0.20(Predicted)
• Stability: Moisture Sensitive
• CAS DataBase Reference: 1-ethyl-1,2-dihydro-5H-tetrazol-5-one(CAS DataBase Reference)
• NIST Chemistry Reference: 1-ethyl-1,2-dihydro-5H-tetrazol-5-one(69048-98-2)
• EPA Substance Registry System: 1-ethyl-1,2-dihydro-5H-tetrazol-5-one(69048-98-2)

Safety Data

• Safety Statements: 22-24/25
• Hazardous Substances Data: 69048-98-2(Hazardous Substances Data)

Usage

Chemical Properties

BEIGE-BROWNISH CRYSTALS OR POWDER

Uses

Intermediate for the synthesis of Alfentanil

InChI:InChI=1/C3H6N4O/c1-2-7-3(8)4-5-6-7/h2H2,1H3,(H,4,6,8)

Upstream product

• 79-03-8 propionyl chloride 
• 109-90-0 ethyl isocyanate 
• 1217900-86-1 1-ethyl-5-methylsulfanyl-1H-tetrazole 
• 4648-54-8 trimethylsilylazide 

Downstream Products

• 69049-03-2 1-(2-chloroethyl)-4-ethyl-1,4-dihydro-5H-tetrazol-5-one 
• 84501-67-7 2-(4-ethyl-4,5-dihydro-5-oxo-1H-tetrazol-1-yl)ethyl bromide 
• 69049-41-8 N-<1-<2-(4-ethyl-4,5-dihydro-5-oxo-1H-tetrazol-1-yl)-2-phenylethyl>-4-(methoxymethyl)-4-piperidinyl>-N-phenylpropanamide 
• 104072-14-2 1-ethyl-4-{2-[4-methoxymethyl-4-(N-propionyl-anilino)-piperidine-1-yl]-1-methyl-ethyl}-1,4-dihydro-tetrazol-5-one 
• 69221-39-2 N-<1-<2-(4-ethyl-4,5-dihydro-5-oxo-1H-tetrazol-1-yl)propyl>-4-(methoxymethyl)-4-piperidinyl>-N-phenylpropanamide 

Relevant articles and documents

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The present disclosure relates to compounds of formula (AI), (I), (AII), and (II), or a pharmaceutically acceptable salt, solvate, stereoisomer, or tautomer thereof, a pharmaceutical composition comprising a compound of formula (AI), (I), (AII), and (II), and use thereof, wherein R2, R3, R4, R5, R6, R7, R10, R11a, R11b, R12, R16, R19a, R19b, and R20 are described herein. Such compounds are envisioned useful for the prevention and treatment of a variety of CNS-related conditions, for example, treatment of sleep disorders, mood disorders, movement disorders, convulsive disorders, schizophrenin spectrum disorders, disorders of memory and/or cognition, personality disorders, autism spectrum disorders, pain, traumatic brain injury, vascular diseases, substance abuse disorders and/or withdrawal syndromes, or tinnitus etc.

Tetrazolones as a Carboxylic Acid Bioisosteres

The present disclosure provides compounds that include a tetrazolone derivative of a carboxyl group of an active agent. This disclosure also relates to pharmaceutical compositions that include these compounds, methods of using these compounds in the treatment of various diseases and disorders, and processes for preparing these compounds.

SUBSTITUTED 4-AMINO-PIPERIDINES

The present invention relates to new substituted 4-amino-piperidine opioid receptor modulators, pharmaceutical compositions thereof, and methods of use thereof