Conversions of 2-thioxo-1,3-dithiol-4,5-dicarboxylic acid dimethyl ester ? The path to a new heterocyclic system, (4H,6H)-1,3-dithiolo[4,5-d]pyrimidine-2,5,7-trione and 5,6-dimercaptouracil derivatives

1992 ◽  
Vol 28 (9) ◽  
pp. 1079-1083
Author(s):  
O. Ya. Neiland ◽  
R. A. Valters ◽  
G. G. Pukitis ◽  
V. Zh. Tilika ◽  
A. S. Edzhinya
Keyword(s):  
Dicarboxylic Acid ◽  
Heterocyclic System ◽  
Dimethyl Ester ◽  
Acid Dimethyl Ester

scholarly journals Safety assessment of the substance 1,2,3,4‐tetrahydronaphthalene‐2,6‐dicarboxylic acid, dimethyl ester for use in food contact materials

EFSA Journal ◽  
2017 ◽  
Vol 15 (5) ◽  
Author(s):  
◽  
Vittorio Silano ◽  
Claudia Bolognesi ◽  
Jean‐Pierre Cravedi ◽  
Karl‐Heinz Engel ◽  
...  
Keyword(s):  
Dicarboxylic Acid ◽  
Safety Assessment ◽  
Dimethyl Ester ◽  
Contact Materials ◽  
Food Contact Materials ◽  
Acid Dimethyl Ester ◽  
Food Contact

Phenazine aus Pseudomonden/Phenazines from Pseudomonads

1981 ◽  
Vol 36 (8) ◽  
pp. 1037-1046 ◽  
Author(s):  
A. Römer ◽  
H. Scholl ◽  
H. Budzikiewicz
Keyword(s):  
Carboxylic Acid ◽  
Dicarboxylic Acid ◽  
Structure Elucidation ◽  
Dimethyl Ester ◽  
Acid Dimethyl Ester

Abstract The structure elucidation of several minor phenazine pigments of Pseudomonads is described. 4-Hydroxyphenazine-1,6-dicarboxylic acid dimethyl ester, 2,3-dihydroxyphenazine, 2,3,7-trihydroxyphenazine, 4-hydroxyphenazine-1-carboxylic acid, 2,3-dihydroxyphenazine-1-carboxylic acid, 2,6-dihydroxyphenazine-1-carboxylic acid and 2,3,7-trihydroxyphenazine-1,6-dicarboxylic acid are new phenazine derivatives. The distribution of phenazines in the genus Pseudomonas is investigated.

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