Products Categories
CAS No.: | 31849-78-2 |
---|---|
Name: | 1-BROMO-1-BUTENE |
Article Data: | 7 |
Molecular Structure: | |
Formula: | C4H7 Br |
Molecular Weight: | 135.004 |
Synonyms: | 1-Butene,1-bromo-, (Z)- (8CI); cis-1-Bromo-1-butene; cis-1-Butenyl bromide |
Density: | 1.3119 |
Melting Point: | -115.07°C (estimate) |
Boiling Point: | 92.85°C |
PSA: | 0.00000 |
LogP: | 2.30500 |
(2R*,3S*)-2,3-dibromopentanoic acid
(Z)-1-bromo-1-butene
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; under 97.5098 Torr; for 1h; optical yield given as %de; | 87% |
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; under 100 Torr; | 61% |
With triethylamine In N,N-dimethyl-formamide for 0.0166667h; microwave irradiation; | 899 mg |
trans-2-pentenoic acid
(Z)-1-bromo-1-butene
Conditions | Yield |
---|---|
Stage #1: trans-2-pentenoic acid With bromine Stage #2: With sodium carbonate In N,N-dimethyl-formamide Further stages.; | 54% |
With bromine; sodium carbonate 1.) -78 deg C, 2.) DMF, 60 deg C; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 5℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
In diethyl ether at -10℃; |
(Z)-1-bromo-1-butene
11-dodecynal diethyl acetal
(Z)-1,1-diethoxyhexadec-13-en-11-yne
Conditions | Yield |
---|---|
With propylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In benzene at 20 - 40℃; Sonogashira-Hagihara coupling; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; toluene at 90℃; | 99% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium hydroxide In tetrahydrofuran; water at 70℃; | 92% |
(Z)-1-bromo-1-butene
trans-2-phenylvinylboronic acid
(1E,3Z)-1-phenylhexa-1,3-diene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium hydroxide In tetrahydrofuran; water at 70℃; | 92% |
(Z)-1-bromo-1-butene
(+)-(2R,2'S,5S)-2-allyl-5-[2'-(benzyloxy)heptyl]-N-(4-methoxybenzyl)pyrrolidine-1-carboxamide
(+)-(Z,2'S,3R,4aR,7S)-7-[2'-(benzyloxy)heptyl]-2-(4-methoxybenzyl)-3-(pent-2-en-1-yl)hexahydropyrrolo[1,2-c]pyrimidin-1(2H)-one
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine tetrafluoroborate; sodium t-butanolate In toluene at 110℃; for 14h; Inert atmosphere; optical yield given as %de; | 91% |
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); (11aR)-(+)-10,11,12,13-tetrahydrodiindeno-[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-bis[(R)-1-phenylethyl]amine; sodium t-butanolate In 5,5-dimethyl-1,3-cyclohexadiene at 125℃; enantioselective reaction; | 91% |