1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

Base Information

Chemical Name:1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester
CAS No.:706808-77-7
Molecular Formula:C₂₅H₂₈N₂O₈
Molecular Weight:484.506
Hs Code.:

1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-<i>tert</i>-butyl ester 5,6-dimethyl ester

Synonyms:1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

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Chemical Property of 1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

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Technology Process of 1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

There total 4 articles about 1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester 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: 82.0%

: 706808-74-4
1,4,4a,7-tetrahydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

: 706808-77-7
1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

Guidance literature:: With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In toluene; at 110 ℃;
DOI:10.1016/j.tetlet.2004.03.075

Reference yield:

: 57699-88-4
1-tert-butoxycarbonyl-2-carbobenzyloxyhydrazine

: 706808-77-7
1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: NaH; n-Bu₄NI / dimethylformamide / 25 °C

2: NaH; n-Bu₄NI / dimethylformamide / 25 °C

3: 99 percent / Grubbs' catalyst / CH₂Cl₂ / 4 h / 45 °C

4: 88 percent / toluene / 6 h / 110 °C

5: 82 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / toluene / 110 °C

With tetra-(n-butyl)ammonium iodide; sodium hydride; 2,3-dicyano-5,6-dichloro-p-benzoquinone; Grubbs catalyst first generation; In dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1016/j.tetlet.2004.03.075

Reference yield:

: 192725-91-0
N⁽¹⁾-t-butyloxycarbonyl-N⁽²⁾-formylmethyl-N⁽²⁾-benzyloxycarbonyl hydrazine

: 706808-77-7
1,4-dihydro-phthalazine-2,3,5,6-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 5,6-dimethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: NaH; n-Bu₄NI / dimethylformamide / 25 °C

2: 99 percent / Grubbs' catalyst / CH₂Cl₂ / 4 h / 45 °C

3: 88 percent / toluene / 6 h / 110 °C

4: 82 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / toluene / 110 °C

With tetra-(n-butyl)ammonium iodide; sodium hydride; 2,3-dicyano-5,6-dichloro-p-benzoquinone; Grubbs catalyst first generation; In dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1016/j.tetlet.2004.03.075