## Abstract Syntheses of novel [{(3‐dialkoxy‐phosphoryl)‐(substituted‐phenyl‐methyl)‐2‐oxo‐2‐phenyl‐2,3‐dihydro‐2λ^5^–benzo [1,3,2] diazaphosphol‐1‐yl}‐(substituted‐phenyl)‐methyl]‐phosphonic acid diethyl/dimethyl esters (**3a**, **3b**, **3c**, **3d**, **3e**, **3f**, **3g**, **3h**, **3i**, **3j*
Synthesis, characterization, and evaluation of antimicrobial activities of a new class of macrocyclic phosphonates
✍ Scribed by G. Chandra Sekhar Reddy; A. Uma Ravi Sankar; M. Veera Narayana Reddy; C. Radha Rani; C. Suresh Reddy
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2011
- Tongue
- English
- Weight
- 117 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0022-152X
- DOI
- 10.1002/jhet.727
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✦ Synopsis
Abstract
A series of a new class of phosphorus analogue macrocycles was accomplished by condensation of N‐substituted‐[bis(3,5‐dimethyl‐2‐hydroxybenzyl)]‐amines with various phosphorus dichlorides in dry toluene in the presence of triethylamine at 0–50°C. All the title compounds were evaluated for antimicrobial activity to determine their efficacy and were effective in suppressing the growth of bacteria and fungi. The chemical structures of the title products were characterized by IR, ^1^H, ^13^C, ^31^P‐NMR, mass spectral studies, and elemental analysis. J. Heterocyclic Chem., (2011).
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A new class of methyleneamine-linked bis-heterocycles that exhibit antimicrobial activity was synthesized. Bromination of 1 followed by condensation with thiourea gave 3. The reaction of 3 with propargyl bromide in dry toluene under inert atmosphere led to the formation of 4. Its subsequent reaction
## Abstract **Summary:** The synthesis of novel methacrylic phosphonated surface‐active monomer by an original method is described. The crucial stage is the telomerization of undec‐10‐enyl acetate with dialkyl (alkyl = methyl or ethyl) hydrogenphosphonate. The phosphonated acetate obtained is selec