4-Aryl-3-bis(methylthio)methylene-4-oxobutanenitriles 1a-e undergo cyclocondensation with hydrazine hydrate to give novel 6-aryl-5-bis(methylthio)methyl-3(2H)-pyridazinones 3a-e in good yields. The reaction of ketene dithioacetal 1b with hydroxylamine afforded only the open-chain amidoxime 4
Reactions of α-arylthio-α-oxoketene dithioacetals 1 with guanidine nitrate in the presence of sodium...
The cinnamoyl- (1a-j) and (5-phenyl-2,4-pentadienoyl)- (1k) ketene dithioacetals are shown to underg...
In the synthesis of 4H-quinolizine derivatives involving the use of a sulfonyl ketene dithioacetal, ...
A novel method for the synthesis of 5-aryl-2-methylthio-4H-pyran-4-ones 4a-h has been developed from...
A novel method for the synthesis of 5-aryl-2-methylthio-4H-pyran-4-ones 4a-h has been developed from...
A facile route to hitherto unreported 2-aryl-6-methylthio-4H-pyran-4-ones 4a-f has been developed by...
The reactions of α-aroyl-α-bromoketene dithioacetals (2a-c) with hydrazine hydrate yields unexpected...
Synthesis of novel 2,5-substituted 3-bis(methylthio)methylenetetrahydrofurans 4 by oxymercuration-re...
A facile method for highly stereoselective synthesis of α-arylidene (4a-4d,4f-4h and 4j) and α-ethyl...
The N-methylpyridones (2a-f) were prepared by alkylation of the pyridones (1a-f) with dimethyl sulph...
Ketoketen dithioacetals (1a-e) react with dimethyl acetylenedicarboxylate (2) to give open-chain die...
The regioselective synthesis of the title isoxazoles and pyrazoles through cyclocondensation of oxok...
2-Aroyl-3-cyano-1,1-bis(methylthio)propenide anions (2a and b) undergo stepwise [3 + 2] cyclocon...
We hereby report the synthesis of a novel class of compounds, 7-aminofuro- and 7-aminothieno[2,3-d]p...
The ketene dithioacetal (7) derived from indan-1-one gave a dimeric product (8) on treatment with so...
Reactions of α-arylthio-α-oxoketene dithioacetals 1 with guanidine nitrate in the presence of sodium...
The cinnamoyl- (1a-j) and (5-phenyl-2,4-pentadienoyl)- (1k) ketene dithioacetals are shown to underg...
In the synthesis of 4H-quinolizine derivatives involving the use of a sulfonyl ketene dithioacetal, ...
A novel method for the synthesis of 5-aryl-2-methylthio-4H-pyran-4-ones 4a-h has been developed from...
A novel method for the synthesis of 5-aryl-2-methylthio-4H-pyran-4-ones 4a-h has been developed from...
A facile route to hitherto unreported 2-aryl-6-methylthio-4H-pyran-4-ones 4a-f has been developed by...
The reactions of α-aroyl-α-bromoketene dithioacetals (2a-c) with hydrazine hydrate yields unexpected...
Synthesis of novel 2,5-substituted 3-bis(methylthio)methylenetetrahydrofurans 4 by oxymercuration-re...
A facile method for highly stereoselective synthesis of α-arylidene (4a-4d,4f-4h and 4j) and α-ethyl...
The N-methylpyridones (2a-f) were prepared by alkylation of the pyridones (1a-f) with dimethyl sulph...
Ketoketen dithioacetals (1a-e) react with dimethyl acetylenedicarboxylate (2) to give open-chain die...
The regioselective synthesis of the title isoxazoles and pyrazoles through cyclocondensation of oxok...
2-Aroyl-3-cyano-1,1-bis(methylthio)propenide anions (2a and b) undergo stepwise [3 + 2] cyclocon...
We hereby report the synthesis of a novel class of compounds, 7-aminofuro- and 7-aminothieno[2,3-d]p...
The ketene dithioacetal (7) derived from indan-1-one gave a dimeric product (8) on treatment with so...
Reactions of α-arylthio-α-oxoketene dithioacetals 1 with guanidine nitrate in the presence of sodium...
The cinnamoyl- (1a-j) and (5-phenyl-2,4-pentadienoyl)- (1k) ketene dithioacetals are shown to underg...
In the synthesis of 4H-quinolizine derivatives involving the use of a sulfonyl ketene dithioacetal, ...
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