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Merck
  • Microwave-assisted efficient and convenient synthesis of 2,4(1H,3H)-quinazolinediones and 2-thioxoquinazolines.

Microwave-assisted efficient and convenient synthesis of 2,4(1H,3H)-quinazolinediones and 2-thioxoquinazolines.

Journal of combinatorial chemistry (2008-04-19)
Zhaoguang Li, He Huang, Hongbin Sun, Hualiang Jiang, Hong Liu
초록

An efficient and convenient method was developed for the preparation of 2,4(1H,3H)-quinazolinediones and 2-thioxoquinazolinones. Substituted methyl anthranilate reacted with various iso(thio)cyanates in DMSO/H2O without any catalyst or base by using microwave irradiation to generate diversity on the 2,4(1H,3H)-quinazolinediones or 2-thioxoquinazolinones. A variety of substrates can participate in the process with good yields and high purities, making this methodology suitable for library synthesis in drug discovery efforts.

MATERIALS
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브랜드
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Sigma-Aldrich
Benzoyleneurea, 97%