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, ∈-type, eta-type, and theta-type crystals thereof. These crystals are excellent in preservation stability or moisture resistance. They can also be produced on an industri...

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Bibliographic Details
Main Authors KATAOKA NORIYASU, TAKAHASHI SHINICHIRO, MATSUZAWA TOSHIHIRO, TATARA AKINORI
Format Patent
LanguageEnglish
Published 25.01.2007
Subjects
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
SEMICONDUCTOR DEVICES
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Summary:The present invention provides crystals of phenylalanine derivatives of the formula (I): and particularly alpha-type, gamma-type, ∈-type, eta-type, and theta-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