Crystals of phenylalanine derivatives and production methods thereof

The present invention provides crystals of phenylalanine derivatives of the formula (I): and particularly α-type, γ-type, -type, -type, and -type crystals thereof. These crystals are excellent in preservation stability or moisture resistance. They can also be produced on an industrial scale.

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Bibliographic Details
Main Authors KATAOKA NORIYASU, TAKAHASHI SHINICHIRO, MATSUZAWA TOSHIHIRO, TATARA AKINORI
Format Patent
LanguageEnglish
Published 23.03.2010
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention provides crystals of phenylalanine derivatives of the formula (I): and particularly α-type, γ-type, -type, -type, and -type crystals thereof. These crystals are excellent in preservation stability or moisture resistance. They can also be produced on an industrial scale.
Bibliography:Application Number: US20060441106