Medetomidine hydrochloride

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H317：알레르기성 피부 반응을 일으킬 수 있음

  H319：눈에 심한 자극을 일으킴

• 예방조치문구

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P305+P351+P338：눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.

Medetomidine hydrochloride 화학적 특성, 용도, 생산

• 개요

  Medetomidine hydrochloride is a potent, highly selective α2-adrenoceptor agonist (Ki values are 1.08 and 1750 nM for α2- and α1-adrenoceptors respectively). It is an imidazole compound. Medetomidine hydrochloride shows greater selectivity over α1-adrenoceptors than clonidine and UK 14,304 (1620-, 220- and 300-fold respectively). In addition, it influences the adrenergic system by mimicking the action of adrenergic neurotransmitters.

• 화학적 성질

  White Solid

• Indications

  Medetomidine hydrochloride is an FDA-approved alpha2-adrenoceptor (α2-AR) agonist with analgesic, sedative and anxiolytic properties for use as a veterinary sedative. It has been approved for use in animals such as cats, sheep, and dogs (12 weeks of age and older.) In 1999, the FDA approved Medetomidine for human use in the sedation of intubated and mechanically ventilated intensive care unit (ICU) patients, including use as a pain reliever and for use in non-intubated patients prior to and during surgery and other procedures. In addition to its pharmaceutical uses, it is used as an antifouling agent in marine coatings.^[1]

• Pharmacokinetics

  After intramuscular injection, medetomidine is rapidly and almost completely absorbed at the site of injection and its pharmacokinetics are very similar to that observed after intravenous injection. Maximum plasma concentrations are reached within 15 to 20 minutes. Estimated plasma half-life is 1.2 hours for dogs and 1.5 hours for cats. Medetomidine is mainly oxidised in the liver, while a small amount is methylated in the kidney. Metabolites are primarily excreted in urine.

• Synthesis

  Medetomidine hydrochloride is synthesized using 2,3-Dimethylbromobenzene as the starting material through a series of Grignard reactions. This process yields tertiary alcohol 7, which is subsequently subjected to dehydration and hydrogenation. The overall yield achieved was 17 percent.^[1] The reaction scheme is illustrated as follows:
  
  Additional synthetic processes encompass:
  

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