(4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate

Base Information

• Chemical Name: (4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate
• CAS No.: 1352051-43-4
• Molecular Formula: C₁₉H₂₅NO₄
• Molecular Weight: 331.412
• Mol file: 1352051-43-4.mol

Synonyms:(4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate

Chemical Property of (4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate

There total 1 articles about (4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate 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: 96.0%

tert-butyl allyl((4S,5R)-4-allyl-2-phenyl-1,3-dioxan-5-yl)carbamate (1352051-39-8) → (4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate (1352051-43-4)

Guidance literature:

With Grubbs catalyst first generation; In dichloromethane; at 40 ℃; for 8h;

DOI:10.1016/j.tetasy.2011.10.008

Reference yield: 89.0%

(4aR,9aS)-tert-butyl 2-phenyl-4,4a,9,9a-tetrahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate (1352051-43-4) → (4aR,7R,8S,9aS)-tert-butyl 7,8-dihydroxy-2-phenylhexahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate (1352051-44-5)

Guidance literature:

With osmium(VIII) oxide; water; 4-methylmorpholine N-oxide; In acetone; at 20 ℃; for 5h; optical yield given as %de; stereoselective reaction;

DOI:10.1016/j.tetasy.2011.10.008

upstream raw materials:

tert-butyl allyl((4S,5R)-4-allyl-2-phenyl-1,3-dioxan-5-yl)carbamate

Downstream raw materials:

(4aR,7R,8S,9aS)-tert-butyl 7,8-dihydroxy-2-phenylhexahydro-[1,3]dioxino[5,4-b]azepine-5(6H)-carboxylate