Synthesis of DL-[2-13C, 15N]aspartic acid
β Scribed by Robert L. Baxter; Elaine M. Abbot
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- French
- Weight
- 205 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
β¦ Synopsis
A synthesis of the title compound from /13Clparaformaldehyde and [15N)ammonium chloride V f 8 ethyl 2-(1 ,3-/2-13Cldithianyl) acetate 3a is described. Ethyl/3-13C13-oxopropanoate derived in sl'tu from 3a was converted by a stepwise Strecker procedure to DL-[ 2-13C,15Nlaspartic acid 7a.
π SIMILAR VOLUMES
## Abstract [3β^13^C]βEthyl farnesoate was prepared by alkylating 3β^13^Cβethyl acetoacetate with geranyl bromide, followed by hydrolysis, decarboxylation and treatment with the anion of triethyl phosphonoacetate. The ester was reduced with LAH, brominated with CBr~4~/Ο~3~P, and the farnesyl bromid
## Abstract A oneβpot procedure is described for the synthesis of D,Lβ[2β^15^N,5β^13^C]glutamic acid from 2βbromoβ4βbutyrolactone utilizing potassium ^15^Nβphthalimide and potassium ^13^Cβcyanide as label sources. Following a two column purification procedure, the final product is obtained in 38% y