258500-81-1Relevant articles and documents
Preparation of 2,3-dihydro-1H-spiro[isoquinoline-4,4′-piperidine] via an N-sulfonyl Pictet-Spengler reaction
Liu, Jian,Jian, Tianying,Sebhat, Iyassu,Nargund, Ravi
, p. 5115 - 5117 (2007/10/03)
A high yielding synthesis of variously substituted 2,3-dihydro-1H-spiro[isoquinoline-4,4′-piperidine] is reported. N-(2-nitrophenyl)sulfonyl was successfully used as both an activating and protecting group for the key Pictet-Spengler reaction.
PIPERIDINE AMINE COMPOUNDS AND THEIR USE
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Page 11, (2010/02/07)
Compounds having the formula[Chemical formula should be inserted here. Please see paper copy] wherein R1, R2, R3, R6, R7 and Ar are as defined in the specification, in vivo-hydrolysable precursors the