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, ε-type, η-type, and θ-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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Hauptverfasser: Takahashi, Shinichiro, Kataoka, Noriyasu, Tatara, Akinori, Matsuzawa, Toshihiro
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Sprache:eng
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creator Takahashi, Shinichiro
Kataoka, Noriyasu
Tatara, Akinori
Matsuzawa, Toshihiro
description The present invention provides crystals of phenylalanine derivatives of the formula (I): and particularly α-type, γ-type, ε-type, η-type, and θ-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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title Crystals of phenylalanine derivatives and production methods thereof
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