(+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone>

Base Information

• Chemical Name: (+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone>
• CAS No.: 87697-93-6
• Molecular Formula: C₂₄H₂₃NO₅
• Molecular Weight: 405.45
• Mol file: 87697-93-6.mol

Synonyms:(+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone>

Chemical Property of (+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone>

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone>

There total 1 articles about (+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone> 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:

methyl vinyl ketone (78-94-4,25038-87-3) + (+/-)-2-carbobenzoxy-5-formyl-7,8-(methylenedioxy)-2,3,4,5-tetrahydro-1H-2-benzazepine (87697-90-3) → (+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydro-1H-2-benzazepine-5-one (87697-92-5) + 9-Formyl-9-(3-oxo-butyl)-5,7,8,9-tetrahydro-1,3-dioxa-6-aza-cyclohepta[f]indene-6-carboxylic acid benzyl ester (87697-91-4) + (+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone> (87697-93-6)

Guidance literature:

With 2,6-dichloro-benzonitrile; sodium ethanolate; Yield given. Multistep reaction. Yields of byproduct given; 1.) THF, 0 deg C, 45 min, 2.) EtOH, reflux, 40 min;

DOI:10.1021/ja00364a029

Reference yield: 87.0%

(+/-)-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone> (87697-93-6) → (+/-)-6'-bromo-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone> (87697-94-7)

Guidance literature:

With 2,2-dimethyl-5,5-dibromo-1,3-dioxane-4,6-dione; In tetrachloromethane; for 14h; Heating;

DOI:10.1021/ja00364a029

upstream raw materials:

methyl vinyl ketone

(+/-)-2-carbobenzoxy-5-formyl-7,8-(methylenedioxy)-2,3,4,5-tetrahydro-1H-2-benzazepine

Downstream raw materials:

(+/-)-6'-bromo-2-carbobenzoxy-7,8-(methylenedioxy)-2,3,4,5-tetrahydrospiro<1H-2-benzazepine-5,4'-cyclohexenone>