RU2017124504A - METHOD FOR PRODUCING 3-ALKYL (Phenyl) -2,5-Diphenyl-1H-Pyrroles - Google Patents

METHOD FOR PRODUCING 3-ALKYL (Phenyl) -2,5-Diphenyl-1H-Pyrroles Download PDF

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RU2017124504A
RU2017124504A RU2017124504A RU2017124504A RU2017124504A RU 2017124504 A RU2017124504 A RU 2017124504A RU 2017124504 A RU2017124504 A RU 2017124504A RU 2017124504 A RU2017124504 A RU 2017124504A RU 2017124504 A RU2017124504 A RU 2017124504A
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pyrroles
diphenyl
phenyl
alkyl
producing
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RU2017124504A
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RU2017124504A3 (en
RU2677470C2 (en
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Лейла Османовна Хафизова
Мария Геннадьевна Шайбакова
Никита Андреевич Рихтер
Татьяна Викторовна Тюмкина
Усеин Меметович Джемилев
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Федеральное государственное бюджетное учреждение науки Институт нефтехимии и катализа Российской академии наук
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/32—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Pyrrole Compounds (AREA)

Claims (4)

Способ получения 3-алкил(фенил)-2,5-дифенил-1H-пирролов общей формулы (1)The method of obtaining 3-alkyl (phenyl) -2,5-diphenyl-1H-pyrroles of the General formula (1)
Figure 00000001
,
Figure 00000001
, где R=С4Н9, С5Н11, C6H13, C8H17, Ph,where R = C 4 H 9 , C 5 H 11 , C 6 H 13 , C 8 H 17 , Ph, характеризующийся тем, что терминальные ацетилены общей формулы RC≡CH (где R - указанное выше) подвергают взаимодействию с бензонитрилом (PhCN) и этилалюминийдихлоридом (EtAlCl2) в присутствии магния (Mg, порошок), катализатора Cp2TiCl2 и BF3⋅Et2O в мольном соотношении RC≡CH:PhCN:EtAlCl2:Mg:Cp2TiCl2:BF3⋅Et2O=10:20:(20-30):(16-20):(0.8-1.2):1, в тетрагидрофуране в атмосфере аргона при комнатной температуре и атмосферном давлении, в течение 4-8 ч.characterized in that terminal acetylenes of the general formula RC≡CH (where R is as defined above) are reacted with benzonitrile (PhCN) and ethyl aluminum dichloride (EtAlCl 2 ) in the presence of magnesium (Mg, powder), a Cp 2 TiCl 2 catalyst and BF 3 ⋅ Et 2 O in the molar ratio RC≡CH: PhCN: EtAlCl 2 : Mg: Cp 2 TiCl 2 : BF 3 ⋅Et 2 O = 10: 20: (20-30) :( 16-20) :( 0.8-1.2): 1, in tetrahydrofuran in an argon atmosphere at room temperature and atmospheric pressure, for 4-8 hours
RU2017124504A 2017-07-10 2017-07-10 Process for the preparation of 3-alkyl(phenyl)-2,5-diphenyl-1h-pyrroles RU2677470C2 (en)

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