Lal Dhar S. Yadav | Researchain

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Journal of Chemical Research-s | 1997

A New Cyclisation of Sulfenylated Dimethyl Sulfoxide andThiosemicarbazone Adducts using Thionyl Chloride

Lal Dhar S. Yadav; Daya R. Pal

Adducts (4a–d) obtained by nucleophilic addition of sulfenylated dimethyl sulfoxide derivatives (2a,b) to thiosemicarbazones (3a,b) undergo a new intramolecular cyclisation, involving deoxygenative demethylation, to yield 5-sulfenylated 4-aryl-2-thiocarbamoyl-1,2,3-thiadiazolidines (7a–d) on treatment with thionyl chloride.

Journal of Chemical Research-s | 1998

A Novel, One-pot Synthesis of 2H-Benz[e]-1,3-oxazine-2-thiones†

Lal Dhar S. Yadav; Sandhya Saigal; Daya R. Pal

A novel, acid-catalysed cyclisation of salicylaldehyde thiosemicarbazones (1a–d) yields new 2H-benz[e]-1,3-oxazine-2-thiones (2a–d) in a one-pot procedure.

Journal of Agricultural and Food Chemistry | 1990

Cycloaddition of 4-amino-3-mercapto-1,2,4-triazole to heterocumulenes and antifungal activity of the resulting 1,2,4-triazolo[3,4-c]-1,2-dithia-4,5-diazines

Harendra Singh; Kripa N. Shukla; Rajesh Dwivedi; Lal Dhar S. Yadav

Journal of Agricultural and Food Chemistry | 1992

Synthesis of new fungicidal imidazo- and benzimidazo[2,1-b]-1,3-thiazinones involving ring transformation of 5-oxazolone derivatives

Lal Dhar S. Yadav; Anjum Vaish

Synthesis | 1992

A New Route for the Convenient Synthesis of 5-Acylamino-3,6-diarylperhydro-2- thioxo-1,3-thiazin-4-ones

Lal Dhar S. Yadav; Sangeeta Sharma

Journal of Agricultural and Food Chemistry | 1992

Chemoselective heterocyclizations of (4-oxo-2-thioxothiazolidin-5-yl)N-aryldithiocarbamates to antifungal 1,3-dithiolo-, 1,3-oxathiolo, and thiazolothiazoles

Lal Dhar S. Yadav; Rajani K. Tripathi; Rajesh Dwivedi; Harendra Singh

Journal of Agricultural and Food Chemistry | 1990

Ring transformation of Michael adducts of 4-benzylidene-5-oxazolones and 2-amino-1,3,4-thiadiazoles to antifungal 6,7-dihydro-5H-thiadiazolo[3,2-a]pyrimidin-5-ones

Harendra Singh; Lal Dhar S. Yadav; Kripa N. Shukla; Rajesh Dwivedi

Journal of Agricultural and Food Chemistry | 1990

[3+2]Cycloaddition of 1,3,4-oxadiazol-2-ylhydrazones to aryl isothiocyanates and fungitoxicity of the resulting thiadiazolidines

Atma R. Misra; Lal Dhar S. Yadav; Harendra Singh; Jagdamba P. Misra

Journal of Agricultural and Food Chemistry | 1992

Synthesis and fungitoxicity of rationally designed thiazolo-1,3-dithiins, -thiazines, and -oxathiins

Lal Dhar S. Yadav; Sangeeta. Sharma; Anjum Vaish

Journal of Agricultural and Food Chemistry | 1988

Ring transformation of Michael adducts of 4-benzylidene-5-oxazolones and 3-mercapto-s-triazoles to 2,3-dihydro-4H-s-triazolo[3,4-b][1,3]thiazin-4-ones with some antifungal activity

Lal Dhar S. Yadav; Atma R. Misra; Harendra Singh

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Sangeeta Sharma

Kurukshetra University

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Network

Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot

Dive into the research topics where Lal Dhar S. Yadav is active.

Publication

Featured researches published by Lal Dhar S. Yadav.

A New Cyclisation of Sulfenylated Dimethyl Sulfoxide andThiosemicarbazone Adducts using Thionyl Chloride

A Novel, One-pot Synthesis of 2H-Benz[e]-1,3-oxazine-2-thiones†

Cycloaddition of 4-amino-3-mercapto-1,2,4-triazole to heterocumulenes and antifungal activity of the resulting 1,2,4-triazolo[3,4-c]-1,2-dithia-4,5-diazines

Synthesis of new fungicidal imidazo- and benzimidazo[2,1-b]-1,3-thiazinones involving ring transformation of 5-oxazolone derivatives

A New Route for the Convenient Synthesis of 5-Acylamino-3,6-diarylperhydro-2- thioxo-1,3-thiazin-4-ones

Chemoselective heterocyclizations of (4-oxo-2-thioxothiazolidin-5-yl)N-aryldithiocarbamates to antifungal 1,3-dithiolo-, 1,3-oxathiolo, and thiazolothiazoles

Ring transformation of Michael adducts of 4-benzylidene-5-oxazolones and 2-amino-1,3,4-thiadiazoles to antifungal 6,7-dihydro-5H-thiadiazolo[3,2-a]pyrimidin-5-ones

[3+2]Cycloaddition of 1,3,4-oxadiazol-2-ylhydrazones to aryl isothiocyanates and fungitoxicity of the resulting thiadiazolidines

Synthesis and fungitoxicity of rationally designed thiazolo-1,3-dithiins, -thiazines, and -oxathiins

Ring transformation of Michael adducts of 4-benzylidene-5-oxazolones and 3-mercapto-s-triazoles to 2,3-dihydro-4H-s-triazolo[3,4-b][1,3]thiazin-4-ones with some antifungal activity

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