Zobrazeno 1 - 10 of 74 pro vyhledávání: '"C. P. JOSHUA"'
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Akademický článek
Penile metastasis from carcinoma of the rectum: A case report
Autor: Shivananda Prabhu, K Ramachandra Pai, Erel AI Diaz, C C Joshua, Sawan Ala, Manoj Bobby
Publikováno v: Indian Journal of Urology, Vol 19, Iss 2, Pp 165-166 (2003)
Penile metastases are extremely uncommon. When they do occur the primary lesion is most often in one of the pelvic organs. Patient may present with a painful nodule, priapisfn and urinary obstruction. Treatment is usually pal-liative. Aggressive surg
Externí odkaz: https://doaj.org/article/4c838ef1a59a435a81d899b2566e4afe
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2
Heterocyclization of 1-aryl/alkyl-2-thiobiureas to 4-aryl/alkyl-3-substituted-Δ 2 -1,2,4-triazolin-5-ones
Autor: Vipin A. Nair, C. P. Joshua, M. M. Suni
Publikováno v: Tetrahedron. 57:2003-2009
Synthesis of a range of 1,2,4-triazolin-5-ones has been carried out by thermally induced cyclization of 1-aryl/alkyl-2-alkyl isothiobiureas 4. The required isothiobiureas were generated in situ by the reaction of alkyl halides with 1-aryl/alkyl-2-thi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d7705102c4d86e4b0f40dc203a1141be
https://doi.org/10.1016/s0040-4020(01)00018-7
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3
SYNTHESIS OF SUBSTITUTED-Δ2-1,2,4-TRIAZOLIN-5-ONES AND S-SUBSTITUTED ISOTHIOBIUREAS FROM 1-ARYL/ALKYL-6-PHENYL-2-THIOBIUREAS
Autor: Vipin A. Nair, M. M. Suni, C. P. Joshua
Publikováno v: Synthetic Communications. 31:1599-1605
Reaction of 1-aryl/ alkyl-6-phenyl-2-thiobiureas 1 with BnCl and BuI in neutral medium at reflux temperature resulted in the formation of the S-alkylated isothiobiureas 2 and 1,2,4-triazolin-5-one derivatives 3. A convenient route to 2 is also report
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a8bfd3c53b25eb1b4cd0adb0cc0c68e
https://doi.org/10.1081/scc-100104074
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5
Heterocyclization of 1-alkyl-2-thiobiureas with α-haloketones
Autor: C. P. Joshua, Vipin A. Nair, M. M. Suni
Publikováno v: Tetrahedron Letters. 42:97-99
1-Alkyl-2-thiobiureas on reaction with α-haloketones such as p -methoxyphenacyl bromide, p -methylphenacyl bromide, p -chlorophenacyl bromide and phenacyl bromide, were found to afford semicarbazonothiazolines in good yields.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::604e8e03208ac7099c3b8f9ac3d01da4
https://doi.org/10.1016/s0040-4039(00)01893-1
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