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Aziridine-2,2-dicarboxylates: Synthesis, Reactions, and Photochromism

โœ Scribed by Schirmeister, Tanja

Book ID
102366872
Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
499 KB
Volume
1997
Category
Article
ISSN
0947-3440

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โœฆ Synopsis

Abstract

Dimethyl 3โ€[(4โ€nitro)phenyl]aziridineโ€2,2โ€dicarboxylate (3a) represents a new, photochromic aziridine. 3a and related aziridines undergo cycloadditions with dipolarophiles to form fiveโ€membered heterocycles and react with nucleophiles with cleavage of the C^2^๏ฃฟC^3^ bond.

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Synthesis and reactions of dipyrromethan
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โœ Antonio Garrido Montalban; Antonio J. Herrera; Jes Johannsen; Josephine Beck; Th ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 78 KB

Dipyrromethane-2,10-dicarboxylates have been prepared. While oxidation and subsequent reaction of 5b with BF 3 โ€ขOEt 2 yields the corresponding complex 10, ring-closing metathesis of 5d using (NHC)(PCy 3 )(Cl) 2 Ru CHPh 7 results in the novel hybrid macrocycle 8. The structure of 10 has been unequivo