Harjit Singh, ; Deep, Kanwal (1984) Extrusion reactions-VI transformations of beta (4-quinazolinylthio) ketones to 3-(beta ketoalkyl)-4(3h)-quinazolone derivatives Tetrahedron, 40 (23). pp. 4937-4939. ISSN 0040-4020
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/S0040-4020(01)91329-8
Abstract
4-(4-Quinazolinylthio)-butan-2-one and 3-(4-quinazolinylthio) propiophenone (4, R = CH3, C6H5) with POCl3 give 3-(3-oxobutyl)-4(3H-)-quinazolone and 3-(2-benzoylethyl)-4(3H)-quinazolone (7, R = CH3, C6H5, X = O) via S → N rearrangement followed by >c=s to >c=o conversion. Non-protic heterocyclic thioamides undergo similar oxidation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 14692 |
| Deposited On: | 12 Nov 2010 13:48 |
| Last Modified: | 02 Jun 2011 11:56 |
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