DOI: 10.1016/s0040-4039(99)02231-5. Synthesis of 2,4-dihydroxyquinazolines using carbon dioxide in the presence of DBU under mild conditions

Synthesis of 2,4-dihydroxyquinazolines using carbon dioxide in the presence of DBU under mild conditions

10.1016/s0040-4039(99)02231-5

Crossref journal-article

Elsevier BV

Tetrahedron Letters (78)

Bibliography

Mizuno, T., Okamoto, N., Ito, T., & Miyata, T. (2000). Synthesis of 2,4-dihydroxyquinazolines using carbon dioxide in the presence of DBU under mild conditions. Tetrahedron Letters, 41(7), 1051â1053.

Authors 4

Takumi Mizuno (first)
Noriaki Okamoto (additional)
Takatoshi Ito (additional)
Toshiyuki Miyata (additional)

References 13 Referenced 98

(a) Goto, S.; Tsuboi, H.; Kagara, K. Chem. Express 1993, 8, 761.
(b) Kagara, K.; Goto, S.; Tsuboi, H. Japanese Patent 1989, 25767.
(a) Pastor, G.; Blanchard, C.; Montginoul, C.; Torrieilles, E.; Giral, L.; Texier, A. Bull. Soc. Chim. Fr. 1975, 1331.
(b) Khalifa, M.; Osman, A. N.; Ibrahim, M. G.; Ossman, A.-R.; Ismail, M. A. Pharmazie 1982, 37, 115.
Michman, M.; Patai, S.; Wiesel, Y. Org. Prep. Proced. Int. 1978, 10, 13. (10.1080/00304947809354998)
Miyata, T.; Mizuno, T.; Nagahama, Y.; Nishiguchi, I.; Hirashima, T.; Sonoda, N. Heteroat. Chem. 1991, 2, 473. (10.1002/hc.520020409)
Lange, N. A.; Sheibley, F. E. Org. Synth. 1943, 2, 79.
Carbonylation with carbon dioxide using DBU was reported,7 where a CO2–DBU complex formed from carbon dioxide and DBU has been considered to be an active species for carboxylation.7a
(a) Haruki, E. In Organic and Bio-organic Chemistry of Carbon Dioxide; Inoue, S.; Yamazaki, N., Eds.; Kodansha Ltd: Tokyo, 1981; p. 5.
(b) Haruki, E.; Arakawa, M.; Matsumura, N.; Otsuji, Y.; Imoto, E. Chem. Lett. 1974, 427. (10.1246/cl.1974.427)
(c) Hori, Y.; Nagano, Y.; Fukuhara, T.; Teramoto, S.; Taniguchi, H. Nippon Kagaku Kaishi 1987, 1408. (10.1246/nikkashi.1987.1408)
The formation of isocyanate as an intermediate might be impossible under mild conditions. Industrial urea synthesis in which isocyanate is as a key intermediate is performed under high pressure and temperature.9
Mavrovic, I. In Kirk–Othmer Encyclopedia of Chemical Technology; Mark, H. F., Ed.; Interscience Publishers: New York, 1970; Vol. 21, p. 37.

Dates

Type	When
Created	23 years ago (July 25, 2002, 9:41 p.m.)
Deposited	6 years, 4 months ago (April 15, 2019, 8:51 a.m.)
Indexed	5 days, 11 hours ago (Aug. 19, 2025, 6:41 a.m.)
Issued	25 years, 6 months ago (Feb. 1, 2000)
Published	25 years, 6 months ago (Feb. 1, 2000)
Published Print	25 years, 6 months ago (Feb. 1, 2000)

Funders 0

None

BibTeX

@article{Mizuno_2000, title={Synthesis of 2,4-dihydroxyquinazolines using carbon dioxide in the presence of DBU under mild conditions}, volume={41}, ISSN={0040-4039}, url={http://dx.doi.org/10.1016/s0040-4039(99)02231-5}, DOI={10.1016/s0040-4039(99)02231-5}, number={7}, journal={Tetrahedron Letters}, publisher={Elsevier BV}, author={Mizuno, Takumi and Okamoto, Noriaki and Ito, Takatoshi and Miyata, Toshiyuki}, year={2000}, month=feb, pages={1051–1053} }

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