Recommanded Product: (S)-(2,2-dimethyl-[1,3]-dioxolan-4-yl)-methylamine. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: (S)-(2,2-dimethyl-[1,3]-dioxolan-4-yl)-methylamine, is researched, Molecular C6H13NO2, CAS is 82954-65-2, about Direct conversion of (R)-epichlorohydrin to (S)-3-aminopropane-1,2-diol: an important chiral C-3 building block. Author is Bhavani, Ch; Babu, K. Chandra; Naresh, E.; Sridhar, P.; Madhusudhan, G..
A new and effective method for the preparation of (S)-3-amino-1,2-propanediol was established starting from (R)-epichlorohydrin. The synthetic approach involves the reaction of (R)-epichlorohydrin with acetone catalyzed by BF3·OEt2 to give (R)-4-(chloromethyl)-2,2-dimethyl-1,3-dioxolane. Subsequent replacement of the Cl with NH2 group by azidation followed by reduction gave ((S)-2,2-dimethyl-1,3-dioxolan-4-yl)methanamine, which was converted into (S)-3-aminopropane-1,2-diol·HCl by acetal deprotection with MeOH·HCl.
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Reference:
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics