- A one-pot synthesis of (±) cryptostylines I, II, III
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A one-pot synthesis of cryptostylines I, II, III, via the Pictet-Spengler reaction is reported.
- Ruchirawat, Somsak,Bhavakul, Vanida,Chaisupakitsin, Malinee
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- Total synthesis of racemic 1-aryl-tetrahydroisoquinoline alkaloids
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A new synthetic route was developed for the preparation of natural products cryptostyline I, II, III and 1-phenyl-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline. The Liebeskind-Srogl palladium-catalyzed carbon-carbon cross-coupling protocol was use
- ábrányi-Balogh, Péter,F?ldesi, Tamás,Milen, Mátyás
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p. 1907 - 1912
(2015/10/29)
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- Transition-Metal-Free Arylation of N -Alkyl-tetrahydroisoquinolines under Oxidative Conditions: A Convenient Synthesis of C1-Arylated Tetrahydro-isoquinoline Alkaloids
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A simple protocol for the C1 arylation of tetrahydroisoquinolines with aryl Grignard reagents via diethyl azodicarboxylate (DEAD) mediated oxidative C-H activation under metal-free conditions has been developed. The target compounds, including some natura
- Singh, Kamal Nain,Kessar, Satinder V.,Singh, Paramjit,Singh, Pushpinder,Kaur, Manjot,Batra, Aanchal
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supporting information
p. 2644 - 2650
(2015/12/26)
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- Nucleophilic addition of Lewis acid complexed α-amino carbanions to arynes: Synthesis of 1-aryl- N -methyl-1,2,3,4-tetrahydroisoquinolines
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The direct C-1 arylation of N-methyl-1,2,3,4-tetrahydroisoquinolines via coupling of α-amino carbanions derived from Lewis acid complexed tetrahydroisoquinolines and in situ generated arynes is described. This process provides an easy access to the title compounds and a new synthetic route to (±)-cryptostyline alkaloids. Georg Thieme Verlag Stuttgart New York.
- Singh, Kamal Nain,Singh, Paramjit,Sharma, Esha,Deol, Yadwinder Singh
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p. 1739 - 1750
(2014/07/08)
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- Synthesis of Racemic Cryptostylines I, II, and III by Radical Cyclization
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Three 1-phenyl-1,2,3,4-tetrahydroisoquinoline alkaloids, cryptostylines I, II, and III, have been synthesized in racemic forms via an aryl radical-initiated cyclization.
- Takano, Seiichi,Suzuki, Mahito,Kijima, Atsushi,Ogasawara, Kunio
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p. 315 - 316
(2007/10/02)
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