cas 658-48-0, A-METHYL-DL-P-TYROSINE | Articles data ｜lookchem

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658-48-0

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CRYSTALLINE FORMS OF METYROSINE
The disclosure provides crystalline compositions comprising D-metyrosine and L-metyrosine, pharmaceutical formulation comprising one or more crystalline composition described herein and a pharmaceutically acceptable excipient, methods for treating cancer in a patient in need thereof, the method comprising administering to the patient one or more composition described herein, and methods for preparing the compositions described herein.
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Paragraph 0147

(2022/01/12)

α-METHYL AMINO ACIDS BY CATALYTIC PHASE-TRANSFER ALKYLATIONS
The α-methyl amino acids, α-methyl p-chlorophenylalanine, α-methyl p-tyrosine, α-methyl m-tyrosine and α-methyl DOPA have been prepared in good yields from amino ester hydrochlorides.The key step in the method is the catalytic phase-transfer alkylation of Schiff base derivatives of monoalkyl amino acids.
O'Donnell, Martin J.,LeClef, Brigitte,Rusterholz, David B.,Ghosez, Leon,Antoine, Jean-Pierre,Navarro, Mirtha
p. 4259 - 4262
(2007/10/02)

Thyromimetics. V. The synthesis and biological screening of alpha-methylthyroxine.
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Blank,Rice,Pfeiffer,Greenberg
p. 10 - 15
(2007/10/06)

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Chemical Properties

Appearance/Colour :off-white fine powder
Melting Point: >300 °C(lit.)
Boiling Point: 383.7 °C at 760 mmHg
Flash Point:185.9 °C
Density: 1.283 g/cm³
Solubility:Aqueous Acid (Sparingly), Aqueous Base, Water (Slightly)
Storage Temp.:−20°C
Vapor Pressure: 2.06E-06mmHg at 25°C
Refractive Index: 1.575
PKA: 2.29±0.16(Predicted)
BRN: 2938704
PSA: 83.55000
LogP: 1.43700

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