Benzylhydrazine dihydrochloride → HCID 2806526, compound

HRID 839499Notes

Reaction equation

HRID 839499 reaction equation
Br[CH:2](Br)[C:3]1[C:4]([C:9]([OH:11])=O)=[CH:5][CH:6]=[CH:7][CH:8]=1.Cl.Cl.[CH2:15]([NH:22][NH2:23])[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1>C(N(CC)CC)C>[CH2:15]([N:22]1[N:23]=[CH:2][C:3]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:9]1=[O:11])[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1

Participants

4

Reactant 2

HCID 146540Benzylhydrazine dihydrochlorideHCID 3455532-(dibromomethyl)benzoic acid

Product 1

HCID 2806526HCID 2806526, compoundYield 51.2%

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

α,α-dibromo-o-toluic acid (29.4 g), benzylhydrazine dihydrochloride (19.5 g) and triethylamine (60 g) were allowed to react as in Example 4. There was obtained 12.1 g (yield: 51%) of 2-benzyl-1-phthalazinone having a melting point of 104°-105° C.

Sources & evidence

ORD record
ord-b75573a33744473db85f48a17fe97cf9
Source dataset
uspto-grants-1978_06
Patent number
US04096143

Reaction notes

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