Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

Base Information

Chemical Name:Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester
CAS No.:199857-52-8
Molecular Formula:C₂₇H₄₀O₇
Molecular Weight:476.61
Hs Code.:

Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

Synonyms:Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

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Chemical Property of Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

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Technology Process of Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

There total 21 articles about Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-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: 93.0%

: 199857-51-7
Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-10-methyl-8-((R)-3-methyl-2-methylene-4-triisopropylsilanyloxy-butyl)-1,7-dioxa-spiro[5.5]undec-4-yl ester

: 199857-52-8
Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

Guidance literature:: With hydrogen fluoride; In tetrahydrofuran; acetonitrile; at 20 ℃; for 0.166667h;
DOI:10.1016/S0040-4039(97)10126-5

Reference yield:

: 199857-42-6
(S)-3-methyl-4-(triisopropylsiloxy)-butan-2-one

: 199857-52-8
Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

Guidance literature:: Multi-step reaction with 17 steps

1: Et₃N / diethyl ether / 0.5 h / 0 °C

2: - 78 deg C, 5-6 h then -20 deg C, 16 h

3: 2,6-lutidine / CH₂Cl₂ / 2 h / -78 °C

4: toluene / 1.5 h / 110 °C

5: PPTS / methanol; CH₂Cl₂ / 0.17 h / 20 °C

6: DEAD, PPh₃ / benzene / 0.33 h / 20 °C

7: 1.) K₂CO₃; 2.) PPh₃ / methanol / 3 h

8: 2,6-lutidine / CH₂Cl₂ / 2 h / -78 °C

9: DDQ, pH 7 buffer / CH₂Cl₂ / 0.75 h / 0 °C

10: Dess-Martin periodinane / CH₂Cl₂ / 0.42 h / 20 °C

11: 97 percent / 2.) H₂O₂, pH=7 buffer / methanol / 6 h / -78 °C

12: 88 percent / PPTS / methanol; CH₂Cl₂ / 0.67 h / 20 °C

13: Dess-Martin periodinane / CH₂Cl₂ / 1.5 h / 20 °C

14: tetrahydrofuran / 3 h / -78 - 20 °C

15: CSA / methanol; CH₂Cl₂ / 1.25 h

16: DMAP / CH₂Cl₂ / 2.5 h / 20 °C

17: 93 percent / aq. HF / acetonitrile; tetrahydrofuran / 0.17 h / 20 °C

With 2,6-dimethylpyridine; dmap; pH 7 buffer; pH=7 buffer; camphor-10-sulfonic acid; hydrogen fluoride; dihydrogen peroxide; pyridinium p-toluenesulfonate; potassium carbonate; Dess-Martin periodane; triethylamine; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; diethylazodicarboxylate; In tetrahydrofuran; methanol; diethyl ether; dichloromethane; toluene; acetonitrile; benzene;
DOI:10.1016/S0040-4039(97)10126-5

Reference yield:

: 880485-35-8
(3S)-5-[1-(triisopropylsiloxy)-prop-2-(R)-yl]-3-(triethylsiloxy)-hex-5-en-1-ol

: 199857-52-8
Acetic acid (2S,4S,6R,8S,10S)-2-(2-benzyloxy-ethyl)-10-hydroxy-8-((R)-4-hydroxy-3-methyl-2-methylene-butyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-4-yl ester

Guidance literature:: Multi-step reaction with 8 steps

1: Dess-Martin periodinane / CH₂Cl₂ / 0.42 h / 20 °C

2: 97 percent / 2.) H₂O₂, pH=7 buffer / methanol / 6 h / -78 °C

3: 88 percent / PPTS / methanol; CH₂Cl₂ / 0.67 h / 20 °C

4: Dess-Martin periodinane / CH₂Cl₂ / 1.5 h / 20 °C

5: tetrahydrofuran / 3 h / -78 - 20 °C

6: CSA / methanol; CH₂Cl₂ / 1.25 h

7: DMAP / CH₂Cl₂ / 2.5 h / 20 °C

8: 93 percent / aq. HF / acetonitrile; tetrahydrofuran / 0.17 h / 20 °C

With dmap; pH=7 buffer; camphor-10-sulfonic acid; hydrogen fluoride; dihydrogen peroxide; pyridinium p-toluenesulfonate; Dess-Martin periodane; In tetrahydrofuran; methanol; dichloromethane; acetonitrile;
DOI:10.1016/S0040-4039(97)10126-5