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Dimroth-type rearrangement of 1-benzyl- and 1-glycosyl-5-aminoimidazoles to 4-(N-substituted amino)imidazoles

✍ Scribed by Stefano Costanzi; Sean P.N. Rouse; Laurence Vanbaelinghem; Timothy J. Prior; David F. Ewing; Andrew N. Boa; Grahame Mackenzie


Book ID
113930294
Publisher
Elsevier Science
Year
2012
Tongue
French
Weight
327 KB
Volume
53
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES


Amidrazones 10. Stevens rearrangement of
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2-Benzyl-3-imino-1-phenylpyrazolidine (5a) and 2-allyl-3-imino-1-phen lpyrazolidine (5b) are obtained by the base-promoted rearrangement of the title compounds (4a and 4b. 7 TABLE Selected NMR Dataa 4ab (DMSO-d6) 'H: 5.01(s, m2C6H5), 7.1-7.8(m, C6H5 and NH2, exch.). 13C: 31 .01(4-C), 63.91(5-C), 168

Convenient syntheses of 5-[(2-methyl-5-n
✍ Javad Mirzaei; Hooshang Pirelahi; Mohsen Amini; Abbas Shafiee πŸ“‚ Article πŸ“… 2008 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 268 KB πŸ‘ 1 views

## Abstract magnified image Oxidation of metronidazole (**4**) with sodium dichromate yielded the corresponding 2‐(2‐methyl‐5‐nitro‐1__H__‐imidazol‐1‐yl)acetic acid (**5**) which was esterified with 1‐butanol to give butyl 2‐(2‐methyl‐5‐nitro‐1__H__‐imidazol‐1‐yl)acetate (**8**). Reaction of the l