R)-(+)-4-Hydroxy-2-pyrrolidinone, 97% 1g; 5g47,917-9 (S)-(â)-4-Hydroxy-2-pyrrolidinone, 97% 1g; 5g These amino diols are used in the efficientsynthesis of (R)- and (S)-5-hydroxymethyl-2-oxazolidinones and derivatives.5,613-6 (R)-(+)-4-(Chloromethyl)-2,2-dimethyl-1,3-dioxolane, 98% 1g; 5g45,614-4 (S)-(â)-4-(Chloromethyl)-2,2-dimethyl-1,3-dioxolane, 98% 1g; 5g Precursor in the short and practical synthesesof (R)-(â)-carnitine and (R)-(â)-Î³-amino-Î²-hydroxybutyric acid (GABOB). Kolb, H.C. et al.
Georgia was first supplied with only one area code, 404, in 1947. In 1954, 912 was given to its southern and central areas. The state would operate with two area codes until May 3, 1992, when 706 was created for the two separate areas outside of the metro Atlanta area.
Area code 678 is a Georgia area code that covers Atlanta and its surrounding areas.Area code 678 overlays part of the area codes of 770, 404 and 470. Georgia has area codes of 229, 404, 470, 478, 678, 706, 762, 770, 912.rea code 678 overlays part of the area codes of 770, 404 and 470.