(1-DIAZO-2-OXO-PROPYL)-포스폰산디메틸에스테르

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H225：고인화성 액체 및 증기

  H319：눈에 심한 자극을 일으킴

• 예방조치문구

  P210：열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P301+P312：삼켜서 불편함을 느끼면 의료기관(의사)의 진찰을 받으시오.

  P303+P361+P353：피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.

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

(1-DIAZO-2-OXO-PROPYL)-포스폰산디메틸에스테르 화학적 특성, 용도, 생산

• 개요

  Dimethyl (1-diazido-2-oxopropyl)phosphonate is a liquid-added organophosphorus flame retardant with good solubility with water, common organic solvents, and inorganic salts flame retardants, with excellent flame retardant properties, low price and low additive amount and other advantages.

• 화학적 성질

  Light yellow liquid

• 주요 응용

  Dimethyl (1-diazo-2-oxopropyl)phosphonate can be used as a reagent for the synthesis of:
  Ethynyl compounds (alkynes) from aldehydes.
  Isoquinoline and pyridine N-oxides by cyclization with oximes in the presence of Rh catalyst.
  Dimethyl(diazomethyl)phosphonate through methanolysis, which is further employed as a reagent in the synthesis of enol ethers or alkynes.
  Five-member heterocyclic scaffolds of pyrazoles, triazoles, and oxazoles via cycloaddition reaction and multicomponent reaction.

• 용도

  Reagent for transformation of aldehydes to terminal alkynes and ketones to methyl enol ethers.

• Synthesis

  Dissolve NaH (0.67 g, 60% w/w, 16.75 mmol) in benzene (45 mL) and dry THF (15 mL). Cool the mixture on ice. A solution of dimethyl (2-oxopropyl) phosphonate (15.3 mmol) in dry benzene (15 mL) was added. A white solid was formed. The reaction mixture was stirred at room temperature for 1 hour. To the mixture was added a solution of toluidic acid hydrazide (16.23 mmol) in dry benzene (7.5 mL). The mixture was stirred at room temperature overnight. The mixture was filtered with Hyflo. The mixture was concentrated in a vacuum to give dimethyl (1-diazido-2-oxopropyl)phosphonate.

(1-DIAZO-2-OXO-PROPYL)-포스폰산디메틸에스테르 준비 용품 및 원자재

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