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|Title:||Synthesis of benzoxazole-2-ones, benzothiazole-2-ones and their 2-thione derivatives: Efficient conversion of 2-thione to 2-oxo derivatives|
|Authors:||Singh, M S|
|Abstract:||A highly practical procedure for preparing benzoxazole-2-ones, benzothiazole-2-ones and its 2-thione derivatives using ethylchloroformate and carbon disulfide and the corresponding aminophenols and aminothiophenols as the starting materials in one-pot protocol is presented. The yields vary from good to excellent, the conditions are mild, and the use of toxic and harmful chemicals is avoided. An efficient conversion of benzoxazole-2-thione to 2-one derivative in high yield has also been carried out.|
|Appears in Collections:||IJC-B Vol.46B(10) [October 2007]|
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|IJCB 46B(10) (2007) 1666-1671.pdf||119.74 kB||Adobe PDF||View/Open|
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