tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate

Base Information

• Chemical Name: tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate
• CAS No.: 1321494-62-5
• Molecular Formula: C₂₂H₃₅NO₅
• Molecular Weight: 393.524
• Mol file: 1321494-62-5.mol

Synonyms:tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate

Chemical Property of tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate

There total 2 articles about tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate 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: 51.9%

tert-butyl (1R,2S,3S)-2-formyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate (1321494-58-9) + dimethyl 1-(1-diazo-2-oxopropyl)phosphonate (90965-06-3) → tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate (1321494-62-5)

Guidance literature:

With caesium carbonate; In ethanol; at 0 - 20 ℃; for 3h; Inert atmosphere;

DOI:10.1021/ol2018032

Reference yield:

tert-butyl (1R,2S,3S)-2-formyl-1-(4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate → tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate (1321494-62-5) + tert-butyl (1R,2S,3S)-2-ethynyl-1-((S)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate

Guidance literature:

With dimethyl 1-(1-diazo-2-oxopropyl)phosphonate; caesium carbonate; In ethanol; at 0 - 20 ℃; Overall yield = 51.9 %; Overall yield = 212 mg; Inert atmosphere;

DOI:10.1021/ol5001632

Reference yield: 75.5%

tert-butyl (1R,2S,3S)-2-ethynyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate (1321494-62-5) → tert-butyl (1R,2S,3S)-1-((R)-4-hydroxy-7-iodohept-6-ynyl)-2-(iodoethynyl)-3-(methoxymethoxy)cyclohexylcarbamate (1321495-04-8)

Guidance literature:

With iodine; potassium hydroxide; In methanol; water; at 0 - 20 ℃; for 0.166667h; Inert atmosphere;

DOI:10.1021/ol2018032

upstream raw materials:

tert-butyl (1R,2S,3S)-2-formyl-1-((R)-4-hydroxyhept-6-ynyl)-3-(methoxymethoxy)-cyclohexylcarbamate

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate

Downstream raw materials:

tert-butyl (1R,2S,3S)-1-((R)-4-hydroxy-7-iodohept-6-ynyl)-2-(iodoethynyl)-3-(methoxymethoxy)cyclohexylcarbamate

tert-butyl (1R,2S,3S)-1-((R,Z)-4-hydroxy-7-iodohept-6-enyl)-2-((Z)-2-iodovinyl)-3-(methoxymethoxy)cyclohexylcarbamate

(R,Z)-7-((1S,2S,3S)-1-(tert-butoxycarbonylamino)-2-((Z)-2-iodovinyl)-3-(methoxymethoxy)cyclohexyl)-1-iodohept-1-en-4-yl methanesulfonate

(R,Z)-7-((1S,2S,3S)-1-amino-3-hydroxy-2-((Z)-2-iodovinyl)cyclohexyl)-1-iodohept-1-en-4-yl methanesulfonate