Process to obtain benzoxazines to be used for the synthesis of ofloxazine, levofloxazine and derivatives
Process for obtaining benzoxazines useful for the synthesis of ofloxacin, levofloxacin and derivatives thereof. The benzoxazines (I) wherein Xb is halogen and R1 is H, alkyl or alkylene up to 6 C atoms or aryl, may be obtained by cyclazation of a compound having the formula (II) by reaction with tri...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
12.12.1996
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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