1086007-28-4Relevant academic research and scientific papers
PREPARATION METHODS OF 4-ACETYL-2,3,4,5-TETRAHYDRO- BENZO[1,4]DIAZEPINE AND THEIR INTERMEDIATES
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Page/Page column 7, (2010/04/24)
The present invention relates to a process for preparing 4-acetyl-2,3,4,5-tetrahydrobenzo[1,4]diazepine and the intermediates thereof. The present invention provides a compound represented by formula I and a compound represented by formula II, and processes for preparing 4-acetyl-2,3,4,5-tetrahydro-benzo[1,4]diazepine by using the compound represented by formula I, the compound represented by formula II and o-nitrobenzaldehyde. The invention has the advantages of the shorter synthesis steps, easily available raw materials and simple operation. Moreover, the process is economic and safe by avoiding the use of expensive and dangerous lithium aluminium hydride.
Process for Preparing 4-Acetyl-2,3,4,5-tetrahydro-benzo[1,4]diazepine and the Intermediates Thereof
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Page/Page column 4, (2010/10/19)
The present invention relates to a process for preparing 4-acetyl-2,3,4,5-tetrahydro-benzo[1,4]diazepine and the intermediates thereof. The present invention provides a compound represented by formula I and a compound represented by formula II, and proces
