ONE-POT SYNTHESIS OF SOME NEW Α-BROMOKETALS AND ACETALS VIA 1, 8-DIAZABICYCLO [5.4.0] UNDEC-7-ENE-HYDROBROMIDE-PERBROMIDE

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HAJIZADEH NEDA; BAKAVOLI MEHDI; Pordel Mehdi

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2017 | Volume:36 | Issue:3 Page(s): 15-24

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Title

ONE-POT SYNTHESIS OF SOME NEW Α-BROMOKETALS AND ACETALS VIA 1, 8-DIAZABICYCLO [5.4.0] UNDEC-7-ENE-HYDROBROMIDE-PERBROMIDE

Author(s)

HAJIZADEH NEDA | BAKAVOLI MEHDI | Pordel Mehdi | Issue Writer Certificate

Keywords

8-DIAZABICYCLO [5.4.0] UNDEC-7-ENE (DBU) HYDROBROMIDE-PERBROMIDE

ARYL METHYL KETONES

α-BROMOKETALS

ACETALS

MICROWAVE IRRADIATION

Abstract

a-Bromoketals and ACETALS are important synthetic precursors in organic synthesis. In this work, some new α-bromoketals are synthesized by the reaction of ARYL METHYL KETONES with diols in the presence of 1, 8-diazabicyclo [5.4.0] undec-7-ene (DBU) hydrobromide-perbromide in good isolated yields. The latter compound converts aldehydes to ACETALS and serves as a new and efficient reagent for the synthesis of ACETALS. Comparative studies of the preparation of a-bromoketal and ACETALS using some reported methods versus the present method show that DBUH-Br3 is one of the most efficient reagents for the preparation of these compounds. Conversion of carbonyl compounds to corresponding a-bromoketals and ACETALS in the presence of DBUH-Br3 under MICROWAVE IRRADIATION is also described.

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References

MANGANESE (III)-BIS(SALICYLALDEHYDE)-4-METHYL-1,2-PHENYLENEDIIMINE (MN-BSMP) AS AN INEXPENSIVE N2O2 TYPE SCHIFF BASE CATALYST FOR OXIDATIVE DECARBOXYLATION OF CARBOXYLIC ACIDS WITH (N-BU4NIO4) IN THE PRESENCE OF IMIDAZOL

Cite

APA: Copy

HAJIZADEH, NEDA, BAKAVOLI, MEHDI, & Pordel, Mehdi. (2017). ONE-POT SYNTHESIS OF SOME NEW ?-BROMOKETALS AND ACETALS VIA 1, 8-DIAZABICYCLO [5.4.0] UNDEC-7-ENE-HYDROBROMIDE-PERBROMIDE. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 36(3), 15-24. SID. https://sid.ir/paper/694003/en

Vancouver: Copy

HAJIZADEH NEDA, BAKAVOLI MEHDI, Pordel Mehdi. ONE-POT SYNTHESIS OF SOME NEW ?-BROMOKETALS AND ACETALS VIA 1, 8-DIAZABICYCLO [5.4.0] UNDEC-7-ENE-HYDROBROMIDE-PERBROMIDE. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2017;36(3):15-24. Available from: https://sid.ir/paper/694003/en

IEEE: Copy

NEDA HAJIZADEH, MEHDI BAKAVOLI, and Mehdi Pordel, “ONE-POT SYNTHESIS OF SOME NEW ?-BROMOKETALS AND ACETALS VIA 1, 8-DIAZABICYCLO [5.4.0] UNDEC-7-ENE-HYDROBROMIDE-PERBROMIDE,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 36, no. 3, pp. 15–24, 2017, [Online]. Available: https://sid.ir/paper/694003/en

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