Regiospecific synthesis of 1,2-bis(azolyl)ethanes
The synthesis of 1,2-bis(5'-trihalomethylisoxazol-3'-yl)ethanes (3-6) and 1,2-bis(5'-trihalomethylpyrazol-3'-yl)ethanes (7-10) from the cyclocondensation of 1,1,1,10,10,10-hexahalo-4,7-dimethoxydeca-3,7-dien-2,9-diones (1 and 2) with hydroxylamine and hydrazines is reported. In addition, the one-pot synthesis of 1,2-bis(5'-alkoxycarbonylpyrazol-3'-yl)ethanes (11-14) by reaction of chloro-substituted dienone 2 and hydrazines is also described.
Saved in:
Main Authors: | , , , , , , |
---|---|
Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Química
2005
|
Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532005000200022 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|