(2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate

Base Information

Chemical Name:(2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate
CAS No.:303988-73-0
Molecular Formula:C₂₈H₃₂O₈
Molecular Weight:496.557
Hs Code.:

Synonyms:(2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate

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Chemical Property of (2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate

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Technology Process of (2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate

There total 1 articles about (2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate 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: 69.0%

: 608-68-4
dimethyl L-tartrate

: 154859-08-2
<2R,2'R> 2,2-diphenyl-3,3',4,4'-tetrahydro-6,6'-bi-2H-pyran

: 303988-73-0
(2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate

Guidance literature:: dimethyl L-tartrate; With hydrogenchloride; In diethyl ether; at 0 ℃; for 0.666667h;

<2R,2'R> 2,2-diphenyl-3,3',4,4'-tetrahydro-6,6'-bi-2H-pyran; In tetrahydrofuran; diethyl ether; at 0 - 10 ℃; for 5h;
DOI:10.1016/S0040-4020(00)00607-4

Reference yield: 53.0%

: 303988-73-0
(2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate

: 303988-74-1
(2R,6R,7R,9R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadec-14-ene-14,15-dicarboxylate

Guidance literature:: (2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate; With 2,2,6,6-tetramethylpiperidinyl-lithium; In tetrahydrofuran; at -78 ℃; for 2h;

With iodine; In tetrahydrofuran; at -78 - 20 ℃; for 16h;
DOI:10.1016/S0040-4020(00)00607-4

Reference yield:

: 303988-73-0
(2R,6R,7R,9R,14R,15R)-dimethyl 2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadecane-14,15-dicarboxylate

: 303988-75-2
(2R,6R,7R,9R)-2,9-diphenyl-1,8,13,16-tetraoxadispiro-[5.0.5.4]hexadec-14-ene-14,15-dinitrile

Guidance literature:: Multi-step reaction with 3 steps

1.1: lithium 2,2,6,6-tetramethylpiperidine / tetrahydrofuran / 2 h / -78 °C

1.2: 53 percent / I₂ / tetrahydrofuran / 16 h / -78 - 20 °C

2.1: 100 percent / NH₃ / methanol; tetrahydrofuran / 96 h / 20 °C

3.1: 95 percent / trifluoroacetic anhydride; pyridine / -30 - 20 °C

With pyridine; 2,2,6,6-tetramethylpiperidinyl-lithium; ammonia; trifluoroacetic anhydride; In tetrahydrofuran; methanol; 1.1: deprotonation / 1.2: Iodination / 2.1: Substitution / 3.1: Dehydration;
DOI:10.1016/S0040-4020(00)00607-4