2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile

Base Information

• Chemical Name: 2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile
• CAS No.: 291521-84-1
• Molecular Formula: C₁₃H₆N₄O₂S₂
• Molecular Weight: 314.348

Synonyms:2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile

Chemical Property of 2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile

Chemical Property:

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Technology Process of 2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile

There total 1 articles about 2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 56.0%

carbon disulfide (75-15-0,12122-00-8) + 4,4-dibromo-1-phenylpyrazolidine-3,5-dione (132214-59-6) + malononitrile (109-77-3) → 2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile (291521-84-1)

Guidance literature:

carbon disulfide; malononitrile; With tetrabutylammomium bromide; potassium carbonate; In 1,4-dioxane; at 60 ℃; for 0.666667h;

4,4-dibromo-1-phenylpyrazolidine-3,5-dione; In 1,4-dioxane; at 40 ℃; for 6h;

DOI:10.1080/10426500008043678

Reference yield: 55.0%

1-phenyl-pyrazolidine-3,5-dione (19933-22-3) + 2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile (291521-84-1) → C22H14N6O4S2

Guidance literature:

With piperidine; In 1,4-dioxane; for 5h; Heating;

DOI:10.1080/10426500008043678

Reference yield: 40.0%

2,5-dimethylfuran (625-86-5) + 2-(5,8-dioxo-6-phenyl-1,3-dithia-6,7-diaza-spiro[3.4]oct-2-ylidene)-malononitrile (291521-84-1) → C19H14N4O3S2

Guidance literature:

With hydroquinone; In ethanol; for 13h; Heating;

DOI:10.1080/10426500008043678

upstream raw materials:

carbon disulfide

4,4-dibromo-1-phenylpyrazolidine-3,5-dione

malononitrile

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