CRYSTALS OF PHENYLALANINE DERIVATIVES AND PRODUCTION METHODS THEREOF
The present invention provides crystals of phenylalanine derivatives of the formula (I), and particularly .alpha.-type, .gamma.-type, .epsilon. -type, .eta.-type, and .theta.-type crystals thereof. These crystals are excellent in preservation stability or moisture resistance. They can also be produc...
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Main Authors | , , , |
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Format | Patent |
Language | English French |
Published |
24.07.2012
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention provides crystals of phenylalanine derivatives of the formula (I), and particularly .alpha.-type, .gamma.-type, .epsilon. -type, .eta.-type, and .theta.-type crystals thereof. These crystals are excellent in preservation stability or moisture resistance. They can also be produced on the industrial scale. (see formula I) |
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Bibliography: | Application Number: CA20042547625 |