(+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone

Base Information

• Chemical Name: (+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone
• CAS No.: 218271-90-0
• Molecular Formula: C₂₁H₂₂O₄
• Molecular Weight: 338.403
• Mol file: 218271-90-0.mol

Synonyms:(+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone

Chemical Property of (+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone

There total 2 articles about (+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone 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: 73.0%

(4R,5R)-N,N'-dimethoxy-N,N',2,2-tetramethyl-1,3-dioxolane-4,5-dicarboxamide (177283-77-1) + benzylmagnesium chloride (6921-34-2) → (+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone (218271-90-0)

Guidance literature:

In tetrahydrofuran; at 22 ℃; for 2.25h;

DOI:10.1016/S0040-4039(01)01085-1

Reference yield: 72.0%

(4R,5R)-N,N'-dimethoxy-N,N',2,2-tetramethyl-1,3-dioxolane-4,5-dicarboxamide (177283-77-1) → (+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone (218271-90-0)

Guidance literature:

In tetrahydrofuran; at -10 ℃; for 3h;

DOI:10.1021/jo062016z

Reference yield: 93.0%

N-methoxylamine hydrochloride (593-56-6) + (+)-(4R,5R)-1-(2,2-dimethyl-5-phenylacetyl-[1,3]dioxolan-4-yl)-2-phenylethanone (218271-90-0) → (3S,4S)-2,5-bis(methoxyimino)-1,6-diphenyl-3,4-O-isopropylidenehexanediol (218271-92-2)

Guidance literature:

In ethanol;

DOI:10.1021/jm980255b

upstream raw materials:

(4R,5R)-N,N'-dimethoxy-N,N',2,2-tetramethyl-1,3-dioxolane-4,5-dicarboxamide

benzylmagnesium chloride

Downstream raw materials:

(3S,4S)-2,5-bis(methoxyimino)-1,6-diphenyl-3,4-O-isopropylidenehexanediol

(R)-1-[(4S,5S)-5-((S)-1-Amino-2-phenyl-ethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-2-phenyl-ethylamine

(S)-1-[(4S,5S)-5-((S)-1-Amino-2-phenyl-ethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-2-phenyl-ethylamine

(3aS,4R,8S,8aS)-4,8-Dibenzyl-2,2-dimethyl-hexahydro-1,3-dioxa-5,7-diaza-azulen-6-one