A facile synthesis of 2,5-dimethyl-4-hydroxy-3(2H)-furanone [2- (or 5-) methyl 14C] (furaneol [2- (or 5-) methyl 14C])
✍ Scribed by René Roscher; Peter Schreier; Wilfried Schwab
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- French
- Weight
- 278 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0022-2135
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📜 SIMILAR VOLUMES
4-Amino[7-14C]benzoic acid (3) is prepared by carbonation of tHe lithium salt of N,N-bis(trimethylsilyl)aniline. The methyl ester (4) of 3 is generated with trimethylsilyldiazomethane, and 4 is coupled with 2,5-dihydroxybenzaldehyde to yield methyl 4-(2,5-dihydroxybenzylimino)[7-14C]benzoate (5). 5
The anionic clusters [Fe 5 MN(CO) 14 Cp] 2-[M = Mo (1) or W (2)] were synthesized from [Fe 4 N(CO) 12 ] -and [MCp(CO) 3 ] - in refluxing acetonitrile. The clusters [Fe 3 M 3 N(CO) 18 ] 3-[M = Mo (3) or W (4)] were prepared by reaction of [Fe 4 N(CO) 12 ] - with [M 2 (CO) 10 ] 2-under the same condit