FACILE ENTRIES FOR REGIOSELECTIVE SYNTHE SIS OF [1,2,4]TRIAZOLO- [4,3-A]PYRIMIDIN-5(1H)-ONES FROM 2-THIOURACIL

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SHAWALI A.S.; ABBAS I.M.; MAHRAN A.M.

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ISSN: 2588-4824

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Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2004 | Volume:1 | Issue:1 Page(s): 33-39

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Title

FACILE ENTRIES FOR REGIOSELECTIVE SYNTHE SIS OF [1,2,4]TRIAZOLO- [4,3-A]PYRIMIDIN-5(1H)-ONES FROM 2-THIOURACIL

Author(s)

SHAWALI A.S. | ABBAS I.M. | MAHRAN A.M. | Issue Writer Certificate

Keywords

HETEROCYCLES

HYDRAZONES

REARRANGEMENT

SYNTHETIC METHODS

4-TRIAZOLO-PYRIMIDINE

Abstract

Three new alternative synthetic strategies based on reactions of hydrazonoyl halides 3 with 2-methylthiouracil 2 and treatment of either 2 -pyrimidinyl thiohydrazonates 8 or the diazonium coupling products of active (pyrimidin-2-ylthio)methylene compounds 12 with sodium ethoxide in ethanol are described for the title compounds. The mechanisms and regiochemistry of the studied reactions are discussed

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APA: Copy

SHAWALI, A.S., ABBAS, I.M., & MAHRAN, A.M.. (2004). FACILE ENTRIES FOR REGIOSELECTIVE SYNTHE SIS OF [1,2,4]TRIAZOLO- [4,3-A]PYRIMIDIN-5(1H)-ONES FROM 2-THIOURACIL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 1(1), 33-39. SID. https://sid.ir/paper/282009/en

Vancouver: Copy

SHAWALI A.S., ABBAS I.M., MAHRAN A.M.. FACILE ENTRIES FOR REGIOSELECTIVE SYNTHE SIS OF [1,2,4]TRIAZOLO- [4,3-A]PYRIMIDIN-5(1H)-ONES FROM 2-THIOURACIL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2004;1(1):33-39. Available from: https://sid.ir/paper/282009/en

IEEE: Copy

A.S. SHAWALI, I.M. ABBAS, and A.M. MAHRAN, “FACILE ENTRIES FOR REGIOSELECTIVE SYNTHE SIS OF [1,2,4]TRIAZOLO- [4,3-A]PYRIMIDIN-5(1H)-ONES FROM 2-THIOURACIL,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 1, no. 1, pp. 33–39, 2004, [Online]. Available: https://sid.ir/paper/282009/en

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