(1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one

Base Information

Chemical Name:(1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one
CAS No.:1346163-18-5
Molecular Formula:C₁₄H₁₅NO₃
Molecular Weight:245.278
Hs Code.:

Synonyms:(1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one

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Chemical Property of (1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one

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Technology Process of (1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one

There total 10 articles about (1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one 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: 76.0%

: 591-50-4
iodobenzene

: 1346163-15-2
(1S,6R,7aR)-1,6-dihydroxy-2-methylenetetrahydro-1H-pyrrolizin-3(2H)-one

: 1346163-18-5
(1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one

Guidance literature:: With bis({5-chloro-2-[(4-chlorophenyl)(hydroxyimino)methyl]phenyl})cyclodipalladachl-orane-1,3,4-tris(ylium)-2-uide; triethylamine; In N,N-dimethyl-formamide; at 110 - 120 ℃; for 5h; stereoselective reaction;
DOI:10.1055/s-0030-1261161

Reference yield:

: 1346163-13-0
tert-butyl (2R,4R)-4-hydroxy-2-[(1S)-1-hydroxy-3-methoxy-2-methylidene-3-oxopropyl]pyrrolidine-1-carboxylate

: 1346163-18-5
(1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogenchloride; water / toluene / 0.08 h / 0 °C

1.2: 0.5 h / 20 °C

1.3: pH 7

2.1: bis({5-chloro-2-[(4-chlorophenyl)(hydroxyimino)methyl]phenyl})cyclodipalladachl-orane-1,3,4-tris(ylium)-2-uide; triethylamine / N,N-dimethyl-formamide / 5 h / 110 - 120 °C

With hydrogenchloride; bis({5-chloro-2-[(4-chlorophenyl)(hydroxyimino)methyl]phenyl})cyclodipalladachl-orane-1,3,4-tris(ylium)-2-uide; water; triethylamine; In N,N-dimethyl-formamide; toluene; 2.1: Heck reaction;
DOI:10.1055/s-0030-1261161

Reference yield:

: tert-butyl (4R)-2-formyl-4-hydroxypyrrolidine-1-carboxylate

: 1346163-18-5
(1S,6R,7aR,E)-2-benzylidene-1,6-dihydroxytetrahydro-1H-pyrrolizin-3(2H)-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: 1,4-diaza-bicyclo[2.2.2]octane / 96 h / Sonication

2.1: hydrogenchloride; water / toluene / 0.08 h / 0 °C

2.2: 0.5 h / 20 °C

2.3: pH 7

3.1: bis({5-chloro-2-[(4-chlorophenyl)(hydroxyimino)methyl]phenyl})cyclodipalladachl-orane-1,3,4-tris(ylium)-2-uide; triethylamine / N,N-dimethyl-formamide / 5 h / 110 - 120 °C

With 1,4-diaza-bicyclo[2.2.2]octane; hydrogenchloride; bis({5-chloro-2-[(4-chlorophenyl)(hydroxyimino)methyl]phenyl})cyclodipalladachl-orane-1,3,4-tris(ylium)-2-uide; water; triethylamine; In N,N-dimethyl-formamide; toluene; 1.1: Morita-Baylis-Hillman reaction / 3.1: Heck reaction;
DOI:10.1055/s-0030-1261161