Synthesis of 14C-labeled cyclic and linear siloxanes
โ Scribed by Sudarsanan Varaprath
- Book ID
- 108354653
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 219 KB
- Volume
- 572
- Category
- Article
- ISSN
- 0022-328X
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๐ SIMILAR VOLUMES
The syntheses of '%-ring labeled levamisole ([-)-2,3,5,6-tetrahydr0-6-phenyl[~'C-UL]imidazo(Z, 1b]thiole) from acetophenone-ring-UL-l'C in 5 steps plus resolution with a 7.5% overall yield, and %,-ring labeled tetramisole ([i]-2,3,5,6-tetrahydro-6-phenyif3 S ]imidaz0[2,?-bjthiazole) from benzene-'%,
A synthesis of dibucaine labeled with l"C in the heterocyclic ring is described. starting with isatin and acetic anh~dride-2-~"C as shown in Scheme I. Two deutero analogs, dibucaine-d2 and dibucaine-dg, were also synthesized by the reactions shown in Scheme 11. Dibucaine-dg was synthesized by conden