The facile condensation of unprotected amino acids by a phosphite-promoted one-step coupling reaction is a highly efficient synthesis to generate stereoselective and optically pure symmetrical and unsymmetrical functionalized diketopiperazines. The use of microwaves enhanced by small amounts of ionic liquid is accompanied by significant improvement in reaction times and yields. Simple filtration through a pad of silica provides the pure compounds in very good to excellent yields. ( (C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
机构:
Iowa State Univ, Dept Chem, Ames, IA 50011 USAIowa State Univ, Dept Chem, Ames, IA 50011 USA
Markina, Nataliya A.
Chen, Yu
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Iowa State Univ, Dept Chem, Ames, IA 50011 USA
CUNY Queens Coll, Dept Chem & Biochem, Flushing, NY 11367 USAIowa State Univ, Dept Chem, Ames, IA 50011 USA
Chen, Yu
Larock, Richard C.
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Iowa State Univ, Dept Chem, Ames, IA 50011 USAIowa State Univ, Dept Chem, Ames, IA 50011 USA
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Hokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, JapanHokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, Japan
Mita, Tsuyoshi
Chen, Jianyang
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Hokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, JapanHokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, Japan
Chen, Jianyang
Sugawara, Masumi
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Hokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, JapanHokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, Japan
Sugawara, Masumi
Sato, Yoshihiro
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Hokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, JapanHokkaido Univ, Fac Pharmaceut Sci, Kita Ku, Nishi 6,Kita 12, Sapporo, Hokkaido 0600812, Japan
机构:
South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R ChinaSouth China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
Jia, Tao
Zheng, Nan-nan
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South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R ChinaSouth China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
Zheng, Nan-nan
Cai, Wan-qing
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South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R ChinaSouth China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
Cai, Wan-qing
Zhang, Jie
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South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R ChinaSouth China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
Zhang, Jie
Ying, Lei
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South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R ChinaSouth China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
Ying, Lei
Huang, Fei
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South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R ChinaSouth China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
Huang, Fei
Cao, Yong
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South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R ChinaSouth China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
机构:
GITAM, Sch Sci, Dept Chem, Visakhapatnam, India
Dr VS Krishna Govt Degree Coll A, Dept Chem, Visakhapatnam, IndiaGITAM, Sch Sci, Dept Chem, Visakhapatnam, India
Venkatesh, Yeduru
Wadepalli, Sadashiv
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Indian Inst Chem Technol, Polymers & Funct Mat Div, Hyderabad, IndiaGITAM, Sch Sci, Dept Chem, Visakhapatnam, India
Wadepalli, Sadashiv
Bangal, Prakriti Ranjan
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Indian Inst Chem Technol, Dept Analyt & Struct Chem, Hyderabad, IndiaGITAM, Sch Sci, Dept Chem, Visakhapatnam, India