阿里彩票登录平台官网:BLO? gamma butyrolactone

Chemistry: Intermediates and Solvents

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阿里彩票登陆平台 www.o1e1e.com.cn BLO butyrolactone solvent, also known as gamma-Butyrolactone, is a polar solvent for ionic substrates and functions as an acid donor in aqueous media at elevated temperatures.

Although BLO solvent is stable under a wide range of conditions, at elevated temperatures and in the presence of appropriate reagents, it serves as an intermediate in a variety of useful syntheses such as:

  • Precursor to 2-pyrrolidone and the extensive family of alkyl pyrrolidones produced from ammonia and primary amines.
  • Reacting with phenols to yield phenoxybutyric acid derivatives with applications in pharmaceuticals and as photographic coupling agents.

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In graphic films applications, BLO can be used as a lithography developer by selectively dissolving and removing partially polymerized photochemically active polymer not exposed to UV (negative image) or cured UV degraded coating (positive image).

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