114142-13-1Relevant articles and documents
Cyclopropenation of alkylidene carbenes derived from α-silyl ketones
Li, Jingwei,Sun, Chunrui,Lee, Daesung
supporting information; experimental part, p. 6640 - 6641 (2010/07/04)
A new cyclopropanation reaction involving Cα-Si bond insertion of alkylidene carbenes derived from α-silyl ketones has been developed. This unprecedented alkylidene carbene reactivity features excellent selectivity for insertion into Cα-Si bonds rather than insertion into Cγ-H bonds or addition to,δ-double or -triple bonds. The selectivity trend clearly indicates that the α-oxygen in the tether significantly promotes Cγ-H insertion, although the Cα-Si bond insertion still competes effectively.
MUSCLIDE-A1, -A2 AND -B, CARDIOTONIC POTENTIATING PRINCIPLES FROM MUSK
Kadota, Shigetoshi,Orito, Tetsuya,Kikuchi, Tohru,Uwano, Teruko,Kimura, Ikuko,Kimura, Masayasu
, p. 1733 - 1736 (2007/10/02)
Three new aliphatic sulfates, musclide-A1 (a mixture of 1a and 2a), -A2 (4a), and -B (6a), were isolated from musk, one of the most famous traditional Chinese medicines and their structures were determined.These compounds have a cardiotonic potentiating activity.
SULFONE MEDIATED RUPE AND RAPHAEL REARRANGEMENTS
Barre, V.,Massias, F.,Uguen, D.
, p. 7389 - 7392 (2007/10/02)
Base-catalysed addition of methanol to propargylic sulfones selectively gave β-ketosulfones whereas mercuric salts catalysed additions gave γ-ketosulfones.The latter process has been used to prepare one half of pyrenophorine.
