2,2-비스(3-아미노-4-히드록시페닐)프로판

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H315：피부에 자극을 일으킴

  H319：눈에 심한 자극을 일으킴

• 예방조치문구

  P264：취급 후에는 손을 철저히 씻으시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

2,2-비스(3-아미노-4-히드록시페닐)프로판 화학적 특성, 용도, 생산

• 개요

  2,2-Bis(3-amino-4-hydroxyphenyl)propane (BAP) is a diamine organic compound that is used in the synthesis of polyimides.

• 용도

  2,2-bis(4-hydroxy-3-aminophenyl)propane is used as a polyimide intermediate and functional monomer.

• Synthesis

  
  Thedinitro compound (2) (10,000 g, 0.0314 mol) was heated to reflux inabsolute ethanol (100 mL) in the presence of wet 10% Pd/C catalyst(0.650 g). Hydrazine monohydrate (20 mL) was then added dropwiseover a period of 30 min, and the reaction was maintained at reflux for24 h. The hot solution was filtered through Celite to eliminate thecatalyst and partially concentrated under reduced pressure. Afterwards,the concentrate was poured into cold distilled water. The crude productwas filtered, washed with water, dried under vacuum and recrystallizedtwice from methanol to give (3). The diamino compound was obtainedas a white powder: yield: 88%; mp. 263 ??C (DSC); Analysis: Calculatedfor C15H18N2O2: C, 69.74%; H, 7.02%; N, 10.84%. Found: C, 69.35%;H, 7.15%; N, 11.02%. 1H NMR (400 MHz, DMSO-d6): |? (ppm); 8.57 (s,1H, OH), 6.43 (d, J=8.1 Hz, 1H, Har), 6.34 (d, J=1.8 Hz, 1H, Har),6.21 (dd, J=8.1 Hz, 1.8 Hz, 1H, Har), 4.23 (s, 2H, NH) 1.37 (s, 3H, CH3f). 13C NMR (100 MHz, DMSO-d6): |? (ppm) 142.4, 141.4, 135.4, 114.4,113.5, 113.4, 40.8, 30.9.

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