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ChemicalBook CAS DataBase List 1-(6-METHOXY-2-NAPHTHYL)ETHAN-1-ONE OXIME

1-(6-METHOXY-2-NAPHTHYL)ETHAN-1-ONE OXIME synthesis

2synthesis methods
-

Yield:3893-38-7 93%

Reaction Conditions:

with hydroxylamine hydrochloride in methanol at 50; for 4 h;Inert atmosphere;

Steps:

1 Step 1: synthesis of 1-(6-methoxynaphthalen-2-yl)ethanone oxime (A4-2)

1-(6-methoxynaphthalen-2-yl)ethanone (600 mg, 3.00 mmol, 1.0 eq), hydroxylamine hydrochloride (625 mg, 8.99 mmol, 3.0 eq) and methanol (15 mL) were sequentially added to a dry 100 mL one-neck flask, and stirred for 4 hours at 50°C under nitrogen atmosphere. After the product was detected by TLC, the reaction solution was poured into ice water (200 mL), filtered, and dried to give a product 1-(6-methoxynaphthalen-2-yl)ethanone oxime (600 mg, white solid), yield 93%.

References:

EP3434674,2019,A1 Location in patent:Paragraph 0152; 0153