Synthesis of trans/syn- and trans/anti-Dimeric Uracil
β Scribed by Dipl.-Chem. P. Richter; Prof. Dr. E. Fahr
- Publisher
- John Wiley and Sons
- Year
- 1969
- Tongue
- English
- Weight
- 197 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0044-8249
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β¦ Synopsis
The reaction products were fractionated in a 2-mpackedcolumn. (2a) + (2b) (z 1 :l), b.p. 74-74.5 'C,%O torr, n: = 1.4898. (2a) + (26) stillcontained 4 % of cis,cis-l,3-cyclooctadiene. This additional compound can be detected gas chromatographically only after hydrogenation. (3), b.p. 67 "CjlOO torr, ng = 1.4801.
π SIMILAR VOLUMES
Synthesis of trans-syn-trans Fused Bis-Pyrans via endo-Selective Cyclizations of Cyclic Sulfates. -The first examples of pyran ring formation from hydroxy-cyclic sulfate cyclization are reported. Thus, acid-catalyzed endo-regioselective cyclization of compounds (II) afford the trans-syn-trans fused
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