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Assembly of aldehydes and dimethylbarbituric acid into spirotricyclic furopyrimidines under the action of N-bromosuccinimide in water

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Elinson M. N. et al. Assembly of aldehydes and dimethylbarbituric acid into spirotricyclic furopyrimidines under the action of N-bromosuccinimide in water // Mendeleev Communications. 2025. Vol. 36. No. 1. pp. 58-60.
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Elinson M. N., Ryzhkova Y. E., Kalashnikova V. M., Egorov M. P. Assembly of aldehydes and dimethylbarbituric acid into spirotricyclic furopyrimidines under the action of N-bromosuccinimide in water // Mendeleev Communications. 2025. Vol. 36. No. 1. pp. 58-60.
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TY - JOUR
DO - 10.71267/mencom.7844
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7844
TI - Assembly of aldehydes and dimethylbarbituric acid into spirotricyclic furopyrimidines under the action of N-bromosuccinimide in water
T2 - Mendeleev Communications
AU - Elinson, Michail Nikolaevich
AU - Ryzhkova, Yuliya Evgenievna
AU - Kalashnikova, Varvara Mikhailovna
AU - Egorov, Mikhail Petrovich
PY - 2025
DA - 2025/11/29
PB - Mendeleev Communications
SP - 58-60
IS - 1
VL - 36
ER -
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@article{2025_Elinson,
author = {Michail Nikolaevich Elinson and Yuliya Evgenievna Ryzhkova and Varvara Mikhailovna Kalashnikova and Mikhail Petrovich Egorov},
title = {Assembly of aldehydes and dimethylbarbituric acid into spirotricyclic furopyrimidines under the action of N-bromosuccinimide in water},
journal = {Mendeleev Communications},
year = {2025},
volume = {36},
publisher = {Mendeleev Communications},
month = {Nov},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7844},
number = {1},
pages = {58--60},
doi = {10.71267/mencom.7844}
}
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Elinson, Michail Nikolaevich, et al. “Assembly of aldehydes and dimethylbarbituric acid into spirotricyclic furopyrimidines under the action of N-bromosuccinimide in water.” Mendeleev Communications, vol. 36, no. 1, Nov. 2025, pp. 58-60. https://mendcomm.colab.ws/publications/10.71267/mencom.7844.
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Keywords

3-d]pyrimidines.
barbituric acids
benzaldehydes
cascade reactions
furo[2
N-bromosuccinimide
oxidative cyclization
spirotricyclic compounds
tandem Knoevenagel–Michael reaction

Abstract

A new type of chemical one-pot tandem Knoevenagel-Michael reaction followed by the NBS-induced cyclization was discovered. The reaction of aromatic aldehydes with two molecules of N,N'-dimethylbarbituric acid in the presence of NBS in water at ambient temperature affords spirotricyclic furopyrimidine scaffold, namely, 1,5-dihydro-2H,2'H-spiro[furo[2,3-d]pyrimidine-6,5'-pyrimidine]-2,2',4,4',6'-(1'H,3H,3'H)-pentones, in 90-98% yields.

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