A study of the carbon dynamics of Japanese grassland and forest using 14C and 13C
β Scribed by Kazumi Katsuno; Yosuke Miyairi; Kenji Tamura; Hiroyuki Matsuzaki; Kenji Fukuda
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 387 KB
- Volume
- 268
- Category
- Article
- ISSN
- 0168-583X
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## Abstract Labeled silver carbonate was prepared from barium carbonateβ^13^C or β^14^C and aqueous silver nitrate in 95 to 100% yield. Diethyl carbonateβ^13^C or β^14^C was generated in 60 to 85% overall yield by treatment of labeled silver carbonate with ethyl iodide and tetraethylammonium iodide
The intramolecular displacement of allylic and propargylic chlorides and primary bromides by malonate anion in eleven, twelve, thirteen and fourteen carbon chains containing either two, one or no unsaturation, is reported. At 2 x lo-\* M, formation of cyclic monomers and dimers are observed in all c