2,2,2-三氯亚氨逐乙酸4-甲氧基苄酯(1)是一个用于酸催化下保护p-甲氧基苄基羟基的试剂。在TfOH催化作用下,它与羟基反应生成p-甲氧基苄醚。在这个温和的条件下,可以选择性地保护羟基基团而不破坏原有的酸性和碱性基团。p-甲氧基苄基(MPM)基团在中性的条件下可以通过DDQ的CH2Cl2-H2O溶液去除。在这个条件下,大部分保护基团如苄基基团都是不活跃的,因此可以被选择性地移除。此外,在雷尼锡催化剂的作用下,没有还原试剂MPM也可以将苄基基团除去。通过这种方法可以合成结构复杂的天然产物。
用途简介(此部分为空)
用途2,2,2-三氯亚氨逐乙酸4-甲氧基苄酯(1)是一个用于酸催化下保护p-甲氧基苄基羟基的试剂。在TfOH催化作用下,它与羟基反应生成p-甲氧基苄醚。在这个温和的条件下,可以选择性地保护羟基基团而不破坏原有的酸性和碱性基团。p-甲氧基苄基(MPM)基团在中性的条件下可以通过DDQ的CH2Cl2-H2O溶液去除。在这个条件下,大部分保护基团如苄基基团都是不活跃的,因此可以被选择性地移除。此外,在雷尼锡催化剂的作用下,没有还原试剂MPM也可以将苄基基团除去。通过这种方法可以合成结构复杂的天然产物。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-甲氧基苄醇 | 4-Methoxybenzyl alcohol | 105-13-5 | C8H10O2 | 138.166 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1-(2-溴乙氧基甲基)-4-甲氧基苯 | 1-((2-bromoethoxy)methyl)-4-methoxybenzene | 149966-28-9 | C10H13BrO2 | 245.116 |
1-甲氧基-4-甲基苯基炔丙基醚 | 3-(4-methoxybenzyloxy)propyne | 4039-83-2 | C11H12O2 | 176.215 |
3-[(4-甲氧基苄基)氧基]-1-丙醇 | 3-(4-methoxybenzyl)oxypropan-1-ol | 135362-69-5 | C11H16O3 | 196.246 |
—— | 1-(4-methoxybenzyloxy)-3-butene | 142860-83-1 | C12H16O2 | 192.258 |
—— | (S)-2-((4-methoxybenzyl)oxy)propan-1-ol | 122151-36-4 | C11H16O3 | 196.246 |
—— | 1-but-3-ynyloxymethyl-4-methoxy-benzene | 218434-90-3 | C12H14O2 | 190.242 |
3-[(4-甲氧基苯基)甲氧基]丙醛 | 3-(p-methoxybenzyloxy)propanal | 128461-65-4 | C11H14O3 | 194.23 |
—— | (E)-4-((4-methoxybenzyl)oxy)but-2-en-1-ol | 199658-05-4 | C12H16O3 | 208.257 |
—— | (Z)-4-(4-methoxybenzyloxy)but-2-en-1-ol | 143833-81-2 | C12H16O3 | 208.257 |
(4-甲氧基苄氧基)乙酸 | p-methoxybenzyloxy acetic acid | 88920-24-5 | C10H12O4 | 196.203 |
—— | 1-(3-bromopropoxymethyl)-4-methoxy-benzene | 147193-45-1 | C11H15BrO2 | 259.143 |
—— | 1-((4-(benzyloxy)butoxy)methyl)-4-methoxybenzene | —— | C19H24O3 | 300.398 |
—— | (E)-4-((4-methoxybenzyl)oxy)but-2-enal | 842125-04-6 | C12H14O3 | 206.241 |
(2S)-2-[(4-甲氧基苯基)甲氧基]丙醛 | (S)-(p-methoxybenzyloxy)propanal | 126361-27-1 | C11H14O3 | 194.23 |
—— | (R)-2-(4-methoxybenzyloxy)propanal | 218435-12-2 | C11H14O3 | 194.23 |
—— | (Z)-1-(((4-bromobut-2-en-1-yl)oxy)methyl)-4-methoxybenzene | —— | C12H15BrO2 | 271.154 |
5-[(4-甲氧基苯基)甲氧基]戊-1-醇 | 5-(4-methoxybenzyloxy)-1-pentanol | 131375-63-8 | C13H20O3 | 224.3 |
—— | (2R)-3-[(4-methoxybenzyl)oxy]-2-methylpropanol | 136320-64-4 | C12H18O3 | 210.273 |
—— | (2S)-3-(4-methoxybenzyloxy)-2-methyl-1-propanol | 160238-45-9 | C12H18O3 | 210.273 |
—— | (S)-1-methoxy-4-(((2-methylbut-3-en-1-yl)oxy)methyl)benzene | 1010684-34-0 | C13H18O2 | 206.285 |
—— | 5-(4-methoxybenzyloxy)-1-pentene | 180259-48-7 | C13H18O2 | 206.285 |
苯,1-甲氧基-4-[(4-戊炔氧基)甲基]- | 1-methoxy-4-pent-4-ynyloxymethyl-benzene | 197219-01-5 | C13H16O2 | 204.269 |
—— | 3-p-methoxybenzyloxypropionic acid | 392333-41-4 | C11H14O4 | 210.23 |
—— | (R)-1-methoxy-4-(((2-methylbut-3-yn-1-yl)oxy)methyl)benzene | 1027086-66-3 | C13H16O2 | 204.269 |
—— | (2S)-3-[(4-methoxybenzyl)oxy]-2-methylpropanal | 132969-60-9 | C12H16O3 | 208.257 |
(2R)-3-[(4-甲氧基苯基)甲氧基]-2-甲基丙醛 | (2R)-3-(4-methoxybenzyloxy)-2-methyl-1-propanal | 160238-46-0 | C12H16O3 | 208.257 |
—— | 4-((4-methoxybenzyl)oxy)butan-2-one | 85846-38-4 | C12H16O3 | 208.257 |
—— | 1-[(3-iodobut-3-enyloxy)methyl]-4-methoxybenzene | 1244781-44-9 | C12H15IO2 | 318.154 |
—— | 5-((4-methoxybenzyl)oxy)pentanal | 131375-69-4 | C13H18O3 | 222.284 |
—— | (R)-(+)-1-[(3'-iodo-2'-methylpropoxy)methyl]-4-methoxybenzene | 183894-33-9 | C12H17IO2 | 320.17 |
1-甲氧基-4-[(4-甲氧基苯基)甲氧基甲基]苯 | 4,4'-dimethoxydibenzyl ether | 5405-95-8 | C16H18O3 | 258.317 |
—— | (R)-1-((3-bromo-2-methylpropoxy)methyl)-4-methoxybenzene | 220018-27-9 | C12H17BrO2 | 273.17 |
—— | 5-[(p-methoxy)benzyloxyl]-2-pentynal | 246266-12-6 | C13H14O3 | 218.252 |
—— | 1-((hex-5-yn-1-yloxy)methyl)-4-methoxybenzene | 123186-35-6 | C14H18O2 | 218.296 |
—— | (3S)-3-<(p-methoxybenzyl)-oxy>-butan-1-ol | 170649-27-1 | C12H18O3 | 210.273 |
—— | (R)-4-methoxybenzylserinol | 210554-94-2 | C11H17NO3 | 211.261 |
—— | 1-methoxy-4-{[(2R)-pent-4-en-2-yloxy]methyl}benzene | 1176252-19-9 | C13H18O2 | 206.285 |
—— | 1-(((10-bromodecyl)oxy)methyl)-4-methoxybenzene | 207795-40-2 | C18H29BrO2 | 357.331 |
—— | 1-methoxy-4-((oct-7-yn-1-yloxy)methyl)benzene | —— | C16H22O2 | 246.349 |
—— | (p-methoxybenzyloxy)-2-hydroxybutanol | 167629-46-1 | C12H18O4 | 226.273 |
—— | 5-(p-methoxybenzyloxy)-pentan-2-one | 447454-26-4 | C13H18O3 | 222.284 |
—— | (3S)-3-(4-methoxybenzyloxy)butanal | 170649-28-2 | C12H16O3 | 208.257 |
—— | (R)-3-((4-methoxybenzyl)oxy)-1-butanal | 155581-28-5 | C12H16O3 | 208.257 |
—— | (S)-1-methoxy-4-((pent-4-yn-2-yloxy)methyl)benzene | 1257305-51-3 | C13H16O2 | 204.269 |
1-甲氧基-4-(2-苯基乙氧基甲基)苯 | 4-methoxybenzyl phenethyl ether | 82529-79-1 | C16H18O2 | 242.318 |
—— | 6-(4-methoxybenzyloxy)hexanoic acid | 343221-33-0 | C14H20O4 | 252.31 |
—— | 1-methoxy-4-[[(2S)-2-methylpent-3-ynoxy]methyl]benzene | 570394-38-6 | C14H18O2 | 218.296 |
—— | (2E,4R)-5-(4-methoxybenzyloxy)-4-methyl-2-penten-1-ol | 200341-72-6 | C14H20O3 | 236.311 |
—— | (S)-hydroxy-1-(4-methoxybenzyloxy)-3-heptyne | 246266-13-7 | C15H20O3 | 248.322 |
—— | (S)-2-((4-methoxybenzyl)oxy)propanoic acid | 229647-61-4 | C11H14O4 | 210.23 |
2-[2-[(4-甲氧基苯基)甲氧基]乙基]环氧乙烷 | 4-(p-methoxybenzyloxy)-1,2-epoxybutane | 142860-84-2 | C12H16O3 | 208.257 |
(2R)-2-[2-[(4-甲氧基苯基)甲氧基]乙基]环氧乙烷 | (R)-2-(2-((4-methoxybenzyl)oxy)ethyl)oxirane | 195257-62-6 | C12H16O3 | 208.257 |
—— | (R)-2-(benzyloxy)-3-((4-methoxybenzyl)oxy)propan-1-ol | 145454-62-2 | C18H22O4 | 302.37 |
—— | 7-(4-methoxyphenylmethoxy)-hept-2-en-1-ol | 131375-65-0 | C15H22O3 | 250.338 |
—— | (2R,4S)-5-((4-methoxybenzyl)oxy)-2,4-dimethylpentan-1-ol | 765915-17-1 | C15H24O3 | 252.354 |
—— | [2S,4R]-5-(4-methoxy-benzyloxy)-2,4-dimethyl-pentan-1-ol | 143236-77-5 | C15H24O3 | 252.354 |
—— | (R)-3-(4-methoxybenzyloxy)-2-methylpropanoic acid | 640283-74-5 | C12H16O4 | 224.257 |
—— | (S)-3-((4-methoxybenzyl)oxy)-2-methylpropanoic acid | 436847-72-2 | C12H16O4 | 224.257 |
—— | 4-methoxybenzyl but-3-enoate | 1416170-20-1 | C12H14O3 | 206.241 |
—— | (Z)-5-(4-methoxybenzyloxy)-3-methylpent-2-en-1-ol | 266675-79-0 | C14H20O3 | 236.311 |
1-甲氧基-4-((1-苯基乙氧基)甲基)苯 | 1-methoxy-4-((1-phenylethoxy)methyl)benzene | 152944-20-2 | C16H18O2 | 242.318 |
1-甲氧基-4-(3-苯基丙氧基甲基)苯 | p-methoxybenzyl 3-phenylpropyl ether | 104330-36-1 | C17H20O2 | 256.345 |
—— | (2R,3S)-4-(4-methoxybenzyloxy)-3-methylbutan-2-ol | 199008-78-1 | C13H20O3 | 224.3 |
—— | (Z)-(R)-8-(4-Methoxy-benzyloxy)-oct-3-en-2-ol | 328074-49-3 | C16H24O3 | 264.365 |
—— | (S)-1-(((4,4-dibromo-2-methylbut-3-en-1-yl)oxy)methyl)-4-methoxybenzene | 570394-37-5 | C13H16Br2O2 | 364.077 |
—— | 1-methoxy-4-((hex-5-en-2-yloxy)methyl)benzene | 1200143-27-6 | C14H20O2 | 220.312 |
—— | (R)-4-((4-methoxybenzyl)oxy)-3-methylbutan-2-one | —— | C13H18O3 | 222.284 |
—— | 4-(4-methoxybenzyloxy)pentan-2-ol | 1370028-34-4 | C13H20O3 | 224.3 |
—— | (Z)-1-methoxy-4-[(undec-2-en-5-ynyloxy)methyl]benzene | 1277164-62-1 | C19H26O2 | 286.414 |
—— | 1-(3-Bromo-2,2-bis-bromomethyl-propoxymethyl)-4-methoxy-benzene | 723294-28-8 | C13H17Br3O2 | 444.989 |
—— | 1-((4-methoxybenzyl)oxy)-4-methylpentan-3-one | 1434713-42-4 | C14H20O3 | 236.311 |
—— | (4S)-6-[(4-methoxyphenyl)methoxy]hex-2-yne-1,4-diol | 208586-47-4 | C14H18O4 | 250.295 |
—— | (+/-)-6-(4'-methoxyphenylmethoxy)-1,2-hexadien-4-ol | 154366-13-9 | C14H18O3 | 234.295 |
—— | (R)-methyl 3-((4-methoxybenzyl)oxy)-2-methylpropanoate | 212051-35-9 | C13H18O4 | 238.284 |
—— | methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate | 132969-71-2 | C13H18O4 | 238.284 |
—— | (R)-3-(4-methoxybenzyloxy)butanoic acid | 640283-73-4 | C12H16O4 | 224.257 |
—— | (3S)-3-<(p-methoxybenzyl)-oxy>-butanoic acid | 170649-30-6 | C12H16O4 | 224.257 |
—— | methyl (S)-2-((4-methoxybenzyl)oxy)propanoate | 220235-68-7 | C12H16O4 | 224.257 |
—— | (R)-methyl 2-(4-methoxybenzyloxy)propanoate | 905312-49-4 | C12H16O4 | 224.257 |
—— | (2R,3R)-3-(4-methoxybenzyloxy)-2-methyl-1-butanal | 236401-59-5 | C13H18O3 | 222.284 |
—— | 4-(4-methoxybenzyloxy)pentan-2-one | 1343018-12-1 | C13H18O3 | 222.284 |
—— | (2S,4R)-5-(4-methoxybenzyloxy)-2,4-dimethylpentanal | 143236-78-6 | C15H22O3 | 250.338 |
—— | 2-(((4-methoxybenzyl)oxy)methyl)acrylic acid | 650141-66-5 | C12H14O4 | 222.241 |
—— | (2R,4S)-4-[(4-methoxyphenyl)methoxy]-2-methylpentan-1-ol | 274693-85-5 | C14H22O3 | 238.327 |
—— | 2-methyl-1-(4-methoxybenzyloxy)-3-pentanone | 213385-33-2 | C14H20O3 | 236.311 |
—— | (S)-1-(p-methoxybenzyloxy)-2-methylpentan-3-one | 182193-69-7 | C14H20O3 | 236.311 |
—— | (R)-3-(4-Methoxy-benzyloxy)-hex-5-enal | 194294-70-7 | C14H18O3 | 234.295 |
—— | (2R,4S)-4-[(4-methoxyphenyl)methoxy]-2-methylpentanal | 274693-86-6 | C14H20O3 | 236.311 |
—— | 1-(1-Isopropyl-but-3-enyloxymethyl)-4-methoxy-benzene | 176536-23-5 | C15H22O2 | 234.338 |
—— | (R,Z)-2-[(4-methoxybenzyl)oxy]hept-4-en-1-ol | 164524-16-7 | C15H22O3 | 250.338 |