3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

Base Information

Chemical Name:3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester
CAS No.:150650-58-1
Molecular Formula:C₂₂H₃₂ClNO₅Si
Molecular Weight:454.038
Hs Code.:

Synonyms:3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

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Chemical Property of 3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

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Technology Process of 3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

There total 8 articles about 3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester 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: 94.0%

: 126900-87-6
3-Chloro-benzoic acid (2S,3R,6R)-2-aminooxy-4-(tert-butyl-dimethyl-silanyloxy)-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

: 67-64-1
acetone

: 150650-58-1
3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

Guidance literature:: With silica gel; at 25 ℃; for 0.5h;

Reference yield:

: 126900-85-4,150650-41-2
3-Chloro-benzoic acid (3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

: 150650-58-1
3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1: PPh₃, diisopropyl azodicarboxylate (DIAD) / tetrahydrofuran / 0.5 h

2: 100 percent / 55percent aq. NH₂NH₂*H₂O / methanol / 0.25 h / 25 °C

3: 94 percent / silica gel / 0.5 h / 25 °C

With di-isopropyl azodicarboxylate; silica gel; hydrazine hydrate; triphenylphosphine; In tetrahydrofuran; methanol;

Reference yield:

: 126925-59-5
(2R)-trans-4-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-3,6-dihydro-6-methyl-3-oxo-2H-pyran-2-yl 3-chlorobenzoate

: 150650-58-1
3-Chloro-benzoic acid (2S,3R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-isopropylideneaminooxy-6-methyl-3,6-dihydro-2H-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 4 steps

1: Zn(BH₄)2, NH₄Cl / diethyl ether / 0.33 h / 0 °C

2: PPh₃, diisopropyl azodicarboxylate (DIAD) / tetrahydrofuran / 0.5 h

3: 100 percent / 55percent aq. NH₂NH₂*H₂O / methanol / 0.25 h / 25 °C

4: 94 percent / silica gel / 0.5 h / 25 °C

With zinc(II) tetrahydroborate; di-isopropyl azodicarboxylate; silica gel; ammonium chloride; hydrazine hydrate; triphenylphosphine; In tetrahydrofuran; methanol; diethyl ether;