1215035-76-9Relevant academic research and scientific papers
ORGANOCATALYST
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, (2011/04/14)
The present invention provides an organocatalyst of formula (I), wherein R1 is —H, —OH, —O—Si(R4)(R5)(R6) or C1-6alkoxy, in which R4, R5 and R6 are identical or differ
Remarkable reaction rate and excellent enantioselective direct α-amination of aldehydes with azodicarboxylates catalyzed by pyrrolidinylcamphor-derived organocatalysts
Liu, Pang-Min,Chang, Chihliang,Reddy, Raju Jannapu,Ting, Ying-Fang,Kuan, Hsuan-Hao,Chen, Kwunmin
supporting information; experimental part, p. 42 - 46 (2010/03/24)
Remarkable reaction rate and excellent enantioselective direct α-amination of unmodified aldehydes with various azodicarboxylates was catalyzed by pyrrolidinylcamphor organocatalyst 2a (5 mol-%) to provide the desired aminated products with excellent chemical yields and high to excellent levels of enantioselectivity (up to >99%ee) at 0 °C in CH 2Cl2.
Pyrrolidinyl-camphor derivatives as a new class of organocatalyst for direct asymmetric Michael addition of aldehydes and ketones to β-nitroalkenes
Ting, Ying-Fang,Chang, Chihliang,Reddy, Raju Jannapu,Magar, Dhananjay R.,Chen, Kwunmin
experimental part, p. 7030 - 7038 (2010/08/03)
Practical and convenient synthetic routes have been developed for the synthesis of a new class of pyrrolidinyl-camphor derivatives (7a-h). These novel compounds were screened as catalysts for the direct Michael addition of symmetrical αα-disubstituted ald
