tert-Butyl 2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate

Base Information

• Chemical Name: tert-Butyl 2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate
• CAS No.: 155600-89-8
• Molecular Formula: C19H26N2O3
• Molecular Weight: 330.42134
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID30434692
• Nikkaji Number: J577.544B
• Mol file: 155600-89-8.mol

Synonyms:155600-89-8;tert-Butyl 2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate;Tert-butyl 2-benzyl-3-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate;2-BENZYL-1-OXO-2,7-DIAZA-SPIRO[3.5]NONANE-7-CARBOXYLIC ACID TERT-BUTYL ESTER;2-Benzyl-1-oxo-2,7-diaza-spiro[3.5];SCHEMBL24718689;DTXSID30434692;GGDGRVBFSAZNLK-UHFFFAOYSA-N;CS-M0321;MFCD14585487;tert-Butyl2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate;SB51479;2,7-Diazaspiro[3.5]nonane-7-carboxylic acid, 1-oxo-2-(phenylmethyl)-, 1,1-dimethylethyl ester;BP-12981;CS-14253;W11861;t-Butyl 2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate;1-Oxo-2-benzyl-2,7-diazaspiro[3.5]nonane-7-carboxylic acid tert-butyl ester

Chemical Property of tert-Butyl 2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate

Chemical Property:

• PSA: 49.85000
• LogP: 2.92190
• Storage Temp.: 2-8°C
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 4
• Exact Mass: 330.19434270
• Heavy Atom Count: 24
• Complexity: 483

Purity/Quality:

NLT 98% ^*data from raw suppliers

2-Benzyl-1-oxo-2,7-diaza-spiro[3.5]nonane-7-carboxylicAcidtert-ButylEster ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(C)(C)OC(=O)N1CCC2(CC1)CN(C2=O)CC3=CC=CC=C3

Technology Process of tert-Butyl 2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate

There total 3 articles about tert-Butyl 2-benzyl-1-oxo-2,7-diazaspiro[3.5]nonane-7-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:

di-tert-butyl dicarbonate (24424-99-5) → 2-Benzyl-1-oxo-2,7-diaza-spiro[3.5]nonane-7-carboxylic acid tert-butyl ester (155600-89-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 86 percent / CHCl₃

2: 1.) LDA / 1.) THF, -70 deg C, 1 h, 2.) THF, from -70 deg C to RT, 21 h

With lithium diisopropyl amide; In chloroform;

DOI:10.1016/0223-5234(94)90207-0

Reference yield:

4-methoxy-benzylamine (2393-23-9) → 2-Benzyl-1-oxo-2,7-diaza-spiro[3.5]nonane-7-carboxylic acid tert-butyl ester (155600-89-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 58 percent / NaHSO₃ / H₂O / 0.25 h

2: 1.) LDA / 1.) THF, -70 deg C, 1 h, 2.) THF, from -70 deg C to RT, 21 h

With sodium hydrogensulfite; lithium diisopropyl amide; In water;

DOI:10.1016/0223-5234(94)90207-0

Reference yield:

2-((4-methoxybenzyl)amino)acetonitrile (63086-28-2) + 1-tert-butyl 4-ethyl piperidine-1,4-dicarboxylate (142851-03-4) → 2-Benzyl-1-oxo-2,7-diaza-spiro[3.5]nonane-7-carboxylic acid tert-butyl ester (155600-89-8)

Guidance literature:

With lithium diisopropyl amide; Yield given. Multistep reaction; 1.) THF, -70 deg C, 1 h, 2.) THF, from -70 deg C to RT, 21 h;

DOI:10.1016/0223-5234(94)90207-0

upstream raw materials:

2-((4-methoxybenzyl)amino)acetonitrile

1-tert-butyl 4-ethyl piperidine-1,4-dicarboxylate

di-tert-butyl dicarbonate

4-methoxy-benzylamine

Downstream raw materials:

2-benzyl-2,7-diazaspiro<3,5>nonan-1-one

Refernces