Abstract 592554 The present disclosure relates to the stereospecific synthesis of (R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine crystalline salt forms, and novel polymorphic forms of these salts.the crystalline acid addition salts of the disclosure include salts wherein the acid is selected from hydrochloric, sulfuric, methanesulfonic, maleic, phosphoric, I-hydroxy-2-naphthoic, ketoglutaric, malonic, L-tartaric, fumaric, citric, L-malic, hippuric, L-lactic, benzoic, succinic, adipic, acetic, nicotinic, propionic, orotic, 4-hydroxybenzoic, di-p-toluoyl-D-tartaric, di-panisoyl- D-tartaric, di-benzoyl-D-tartaric, 10-camphorsulfonic, camphoric, and phencyphos.
