Recommanded Product: 60827-45-4. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Stereospecific analysis of fatty acid esters of chloropropanediol isolated from fresh goat milk. Author is Myher, J. J.; Kuksis, A.; Marai, L.; Cerbulis, J..
The fatty acid esters of chloropropanediol isolated from goat milk fat in small quantities were subjected to a stereospecific anal. via phospholipase C and phosphocholine esters as intermediates. Synthetic racemic 1-chloro-2,3-dioleoylpropanediol was prepared by standard methods and was used as a control. The stereospecific analyses were performed following release of the fatty acids from the primary positions of each chloropropanediol diester with pancreatic lipase. The resulting 1-chloro-2-acylpropanediols were then converted into the corresponding phosphocholine derivatives by a stepwise reaction with phosphorus oxychloride and choline chloride. The 1-chloro-2-acyl-3-phosphocholinepropanediols were subjected to hydrolysis with phospholipase C (Clostridium perfringens), which hydrolyzed 50% of the phosphatide within 2 min and the rest of it in 2 h. From previous experience with glycerol esters, it was assumed that the more rapidly hydrolyzed mols. were the sn-1-chloro-2-acylpropanediol derivatives and the more slowly hydrolyzed ones the sn-2-acyl-3-chloropropanediol derivatives Hydrolysis with phospholipase A2 (Crotalus adamanteus) released 50% of the total fatty acid along with the corresponding lyso compound within 10 min, after which there was no further reaction. The hydrolysis products were assayed directly by gas chromatog. or were isolated by TLC prior to quantitation by gas chromatog. Both naturally occurring and synthetic chloropropanediol diesters behaved similarly on stereospecific anal. and were therefore concluded to be racemic.
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