2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate

Base Information

Chemical Name:2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate
CAS No.:1426537-74-7
Molecular Formula:C₂₆H₂₈O₇S
Molecular Weight:484.57
Hs Code.:

Synonyms:2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate

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Chemical Property of 2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate

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Technology Process of 2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate

There total 7 articles about 2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate 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: 95.0%

: 98-59-9
p-toluenesulfonyl chloride

: 358753-75-0
2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)-ethanol

: 1426537-74-7
2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate

Guidance literature:: With pyridine; In dichloromethane; at -8 ℃; for 24h;
DOI:10.1021/jo3026753

Reference yield:

: 1426537-71-4
2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)-acetaldehyde

: 1426537-74-7
2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 2 steps

1: sodium tetrahydroborate / ethanol / 1.5 h / 4 - 25 °C

2: pyridine / dichloromethane / 24 h / -8 °C

With pyridine; sodium tetrahydroborate; In ethanol; dichloromethane;
DOI:10.1021/jo3026753

Reference yield:

: 10093-66-0
(4R,4aR,7aR,12bS)-9-methoxy-3-methyl-1,2,3,4,4a,5,6,7a-octahydrospiro[4,12-methanobenzofuro[3,2-e]isoquinoline-7,2′-[1,3]dioxolane]

: 1426537-74-7
2-((3a′R,3a1′S,9a′S)-5′-methoxy-2′,3a′,3a1′,9a′-tetrahydro-1′H-spiro[[1,3]dioxolane-2,3′-phenanthro[4,5-bcd]furan]-3a1′-yl)ethyl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 6 steps

1: ethanol / 20 h / 60 °C / Reflux

2: sodium hydroxide / water / 2 h / Reflux

3: dihydrogen peroxide / water; methanol / 23 h / 4 - 25 °C

4: trifluoroacetic anhydride / dichloromethane / 3.5 h / 20 °C

5: sodium tetrahydroborate / ethanol / 1.5 h / 4 - 25 °C

6: pyridine / dichloromethane / 24 h / -8 °C

With pyridine; sodium tetrahydroborate; dihydrogen peroxide; trifluoroacetic anhydride; sodium hydroxide; In methanol; ethanol; dichloromethane; water;
DOI:10.1021/jo3026753