Asymmetric Synthesis of 2-Alkyl(Aryl)-2,3-dihydro-4-pyridones by Addition of Grignard Reagents to Chiral 1-Acyl-4-methoxypyridinium Salts

1994 ◽  
Vol 116 (11) ◽  
pp. 4719-4728 ◽  
Author(s):  
Daniel L. Comins ◽  
Sajan P. Joseph ◽  
R. Richard Goehring
Keyword(s):  
Asymmetric Synthesis ◽  
Grignard Reagents ◽  
Alkyl Aryl

Asymmetric synthesis of 2-alkyl(aryl)-2,3-dihydro-4-pyridones by addition of Grignard reagents to chiral 1-acyl-4-methoxypyridinium salts

1990 ◽  
Vol 55 (9) ◽  
pp. 2574-2576 ◽  
Author(s):  
Daniel L. Comins ◽  
R. Richard Goehring ◽  
Sajan P. Joseph ◽  
Sean O'Connor
Keyword(s):  
Asymmetric Synthesis ◽  
Grignard Reagents ◽  
Alkyl Aryl

scholarly journals Microwave-assisted Efficient Synthesis of Alliodorin and (±)-Curcuhydroquinone

1999 ◽  
Vol 23 (2) ◽  
pp. 164-165
Author(s):  
Goverdhan L. Kad ◽  
Anupam Khurana ◽  
Vasundhara Singh ◽  
Jasvinder Singh
Keyword(s):  
Grignard Reagents ◽  
Methyl Groups ◽  
Efficient Synthesis ◽  
Alkyl Aryl ◽  
Microwave Assisted ◽  
Aryl Bromides ◽  
Key Steps

Terpenoids 1 and 2 have been synthesized from readily available starting materials using Li2CuCI4-catalysed coupling of Grignard reagents with alkyl/aryl bromides and microwave-assisted oxidation of allylic methyl groups, using SeO2/ButOOH adsorbed over SiO2 as key steps.

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