Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List 2-Piperidinecarboxylic acid, 5-hydroxy-, methyl ester, (2S,5S)- (9CI)

2-Piperidinecarboxylic acid, 5-hydroxy-, methyl ester, (2S,5S)- (9CI) synthesis

5synthesis methods
-

Yield:695183-75-6 94.1%

Reaction Conditions:

with thionyl chloride at 20; for 22 h;Cooling with ice;

Steps:

57-1 Step 1: Synthesis of (2S,5S)-5-hydroxypiperidine-2-carboxylic acid methyl ester

(2S,5S)-5-hydroxypiperidine-2-carboxylic acid (20.40g, 141mmol) was dissolved in MeOH (200mL), SOCl2 (18mL, 248mmol) was slowly added dropwise in an ice bath, and stirred at room temperature for 22h. Concentration under reduced pressure gave a white solid (21 g, 94.1%).

References:

CN113072546,2021,A Location in patent:Paragraph 1146-1150