Process for preparing heterocyclic indene analogs

   
   

A process for the preparation heterocyclic indene analogs, especially with the preparation of 4-hydroxycarbazole or N-protected 4-hydroxycarbazole, involves cyclocarbonylation followed by saponification. This process avoids high temperatures and high catalyst loadings.

Процесс для аналогов indene подготовки гетероциклических, специально с подготовкой 4-hydroxycarbazole или Н-za5i5ennogo 4-hydroxycarbazole, включает cyclocarbonylation последованное за сапонификацией. Этот процесс избегает высоких температур и высоких нагрузок катализатора.

 
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