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Home > Encyclopedia > 24666-56-6 3-Amino-2,6-piperidinedione...

24666-56-6 3-Amino-2,6-piperidinedione...

24666-56-6 3-Amino-2,6-piperidinedione... structure

24666-56-6 3-Amino-2,6-piperidinedione... 

structure

Description

White crystal

24666-56-6 3-Amino-2,6-piperidinedione... Basic Attributes

164.59

164.035

29339900

Characteristics

72.2

0.58140

120 °C (approx)

334.5ºC at 760 mmHg

0.000128mmHg at 25°C

Safety Information

3/9-36/37

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

H315

24666-56-6 3-Amino-2,6-piperidinedione... Use and Manufacturing

A solution of 15 (4.0Og, 0.015 mol) in methanol (200 ml) and 2N HCl (15 ml) was hydrogenated over 5percent Pd-C (100 mg) at 60 psi for 4 h. The catalyst was filtered off and the filtrate concentrated to dryness to give the title compound 16 as a white solid (2.61 g, 100percent), mp 245 N-CBZ-L-glutamic acid 2.81 g (0.01 mol), Urea 1.2g (0.2mol) was added to DMSO to dissolve and reflux at 150 ° C. After 2 h, the temperature was lowered.HCl gas, a white solid 1.518 g, a yield of 92percent;Benzyl (2, 6-dioxopiperidin-3-yl)carbamate (100 g; obtained in Step b) was added to methanol (1000 mL) and the mixture was heated at 50°C to 55°C to obtain a clear solution. The solution was cooled to 25 °C to 30°C and then 10percent Palladium on carbon (10 g; 50percent wet) was added. The solution was hydrogenated with 3.0 kg/cm

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