Imolamine

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Imolamine
Skeletal formula
Space-filling model
Clinical data
Trade namesAngolon, Angoril, Circuline, Irri-Cor, Irrigor, Coremax
ATC code
Identifiers
  • Diethyl[2-(5-imino-3-phenyl-4,5-dihydro-1,2,4-oxadiazol-4-yl)ethyl]amine
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEMBL
E number{{#property:P628}}
CompTox Dashboard (EPA)
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Chemical and physical data
FormulaC14H20N4O
Molar mass260.341 g·mol−1
3D model (JSmol)
  • CCN(CC)CCN2C(=N)O\N=C2\c1ccccc1
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Imolamine (INN, BAN; brand names Angolon, Angoril, Circuline, Irri-Cor, Irrigor, Coremax) is a coronary vasodilator which is used in the treatment of angina pectoris and as a local anesthetic.[1][2]

Use patents:[3][4]

Synthesis

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Butalamine has very similar synthesis but is alkylated on the alternate nitrogen position.

File:Imolamine synthesis.svg
Thieme Patent[5]

The reaction of benzoylchloride oxime [698-16-8] (2) with Cyanamide (3) gives 3-Phenyl-1,2,4-oxadiazol-5-amine [3663-37-4] (4). Alkylation with 2-chlorotriethylamine [100-35-6] (5) in the presence of KOH base occurs at the endocyclic ring nitrogen completing the synthesis of imolamine (6).

EFforts towards Onepot method (section 2.5 & 2.6).

References

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  2. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  3. ^ Anne Rolland, EP 0191253  (1986 to Laboratoires Albert Rolland SA).
  4. ^ Anne Rolland, FR 2576789  (1986 to Laboratoires Albert Rolland SA).
  5. ^ FR2023M idem J M D Aron-Samuel & J J Sterne, GB 1010231  (1965-11-17).