Acivicin / Photochemistry / 1,3-Dipolar cycloadditions / Jitrile oxi, .es a-Amino-3-chloro-4,5-dihydro-5-methyl-5-isoxazoleacetic involving the photoisomerization of N-phthaloylvaline acid (8), a ring-methylated analogue of the potent antitumor methyl ester (1). The stereochemical course of the 1,3-
Synthesis of New Amino Acids with a 5-Imino-2,5-dihydro-3-furanyl Substituent at the Amino Group.
โ Scribed by Boris A. Trofimov; Anastasiya G. Mal'kina; Olesya A. Shemyakina; Angela P. Borisova; Valentian V. Nosyreva; Oleg A. Dyachenko; Olga N. Kazheva; Gennadii G. Alexandrov
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 23 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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๐ SIMILAR VOLUMES
The title compound has been prepared in optically pure form from (S)-glutamic acid.
A series of 4-(alkylidene/arylidene)amino-5-(2-furanyl)-2.4-dihydro-3H-I .2.4-triazolc-3-1hiones (2) and 6-aryl-3-(2-furanyl)-7H-12.4-triazolo[3,4-b]( 1.3.41 thiadiazines (3) werc synthesized. The configuration of 2g was assigned on che basis of 'H-NMR data. Of the new derivatives tesced. only 2b. 2
## Abstract An unexpected compound (5โaminoโ4โcyanoโ2,3โdihydrofuranโ2,3โdisulfonic acid disodium salt, **4**) was isolated from the reaction of glyoxale bis hydrogen sulfite disodium salt with malononitrile. Its structure was undoubtly identified through crystal structure analysis. Compound **4**