CRYSTAL OF PYRIDO[3, 4-D]PYRIMIDINE DERIVATIVE OR SOLVATE THEREOF

Provided is a crystal of a novel pyrido[3, 4-d]pyrimidine derivative having excellent CDK 4/6 inhibitory activity. A crystal of a compound represented by formula (I). In the formula, Rrepresents a hydrogen atom or a Calkyl group; Rrepresents a hydrogen atom or an oxo group; L represents a single bon...

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Hauptverfasser:	UNOKI, Gen, MIYAZAWA, Yuki, MIZUNO, Tsuyoshi, MIYAMOTO, Hidetoshi, YAJIMA, Naoki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	Provided is a crystal of a novel pyrido[3, 4-d]pyrimidine derivative having excellent CDK 4/6 inhibitory activity. A crystal of a compound represented by formula (I). In the formula, Rrepresents a hydrogen atom or a Calkyl group; Rrepresents a hydrogen atom or an oxo group; L represents a single bond or a Calkylene group; and X represents CH or N.