(3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide

Base Information

Chemical Name:(3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide
CAS No.:863012-04-8
Molecular Formula:C₂₀H₁₉Cl₃NO₅P
Molecular Weight:490.707
Hs Code.:

Synonyms:(3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide

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Chemical Property of (3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide

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Technology Process of (3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide

There total 5 articles about (3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide 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: 80.0%

: 863012-00-4
(2S,5S,6R)-6-Benzyloxymethyl-2-oxo-2-phenoxy-5,6-dihydro-2H-2λ⁵-[1,2]oxaphosphinin-5-ol

: 545-06-2
trichloroacetonitrile

: 863012-04-8
(3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide

Guidance literature:: 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; at -50 - -20 ℃; for 5h;
DOI:10.1021/jo0505122

Reference yield:

: 863011-98-7
(2S,6S)-6-Benzyloxymethyl-2-phenoxy-3,6-dihydro-[1,2]oxaphosphinine 2-oxide

: 863012-04-8
(3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide

Guidance literature:: Multi-step reaction with 4 steps

1: 84 percent / m-CPBA; N-methylmorpholine; citric acid / OsO₄ / acetone; 2-methyl-propan-2-ol; H₂O / 48 h

2: 95 percent / Et₃N / CH₂Cl₂ / 3 h / -40 - 10 °C

3: 74 percent / KHMDS / tetrahydrofuran; toluene / 2.5 h / -50 - 0 °C

4: 80 percent / DBU / CH₂Cl₂ / 5 h / -50 - -20 °C

With 4-methyl-morpholine; potassium hexamethylsilazane; triethylamine; 3-chloro-benzenecarboperoxoic acid; citric acid; osmium(VIII) oxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; dichloromethane; water; acetone; toluene; tert-butyl alcohol;
DOI:10.1021/jo0505122

Reference yield:

: Allyl-phosphonic acid (S)-1-benzyloxymethyl-allyl ester phenyl ester

: 863012-04-8
(3aR,5S,7R,7aS)-7-Benzyloxymethyl-5-phenoxy-2-trichloromethyl-3a,4,7,7a-tetrahydro-1,6-dioxa-3-aza-5-phospha-indene 5-oxide

Guidance literature:: Multi-step reaction with 5 steps

1: 83 percent / (PCy₃)2Cl₂Ru=CHPh / CH₂Cl₂ / Heating

2: 84 percent / m-CPBA; N-methylmorpholine; citric acid / OsO₄ / acetone; 2-methyl-propan-2-ol; H₂O / 48 h

3: 95 percent / Et₃N / CH₂Cl₂ / 3 h / -40 - 10 °C

4: 74 percent / KHMDS / tetrahydrofuran; toluene / 2.5 h / -50 - 0 °C

5: 80 percent / DBU / CH₂Cl₂ / 5 h / -50 - -20 °C

With 4-methyl-morpholine; potassium hexamethylsilazane; triethylamine; 3-chloro-benzenecarboperoxoic acid; citric acid; osmium(VIII) oxide; Grubbs catalyst first generation; 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; dichloromethane; water; acetone; toluene; tert-butyl alcohol;
DOI:10.1021/jo0505122