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Since 1964 an employee-owned company Chemicals, Inc.


Selected Catalysts & Ligands Buchwald


OCH3 H3CO Cy P Pd Cy Cl N H H P t-Bu Cl Pd N H H Palladacycles t-Bu


PhosphonicS™ multi-functionalised silicas overcome traditional metal removal issues providing a reliable and cost-effective option for scavenging residual metals.


46-0267 from BrettPhos P MeO 46-0269 from SPhos


Manufactured under license of Takasago patents xyl


P P


xyl


44-0217 RUCY™ O


O O O


PhPh P


Ph Ph P NC 77-5075 P F3C N O


15-1092 Mor-DalPhos Me


N Cy2P


15-1088 CM-Phos O


O O


O 15-1653 O CH3 15-1661 CH3 H3C S


N N


44-6078 OH3C + Ru N H H 46-0224 PACC™ Catalyst


Visit www.strem.com for a complete list Corporate Headquarters


Europe


Newburyport, MA 01950, USA 67800 Bischheim, France email: info@strem.com


website: www.strem.com November/December 2011 sp2 5 email: info.europe@strem.com


Tel: +44 (0)1403 220760 Fax: +44 (0)1403 220761 E-mail: tom@sp2.uk.com


BF4 - CH(CH3)2 CH3


H3C H3C


N Pd + NN


P P


CF3


15-0570 DANPHOS (H3C)3C


P P H3C


Sold in collaboration with KCT Garphos™


O


O O


O Tom Mulligan


H3C H3C


N CH3 BF4-


sp magazine, avakado Limited, Global House, 13 Market Square, Horsham,


2 West Sussex, RH12 1EU, UK.


P P


C(CH3)3 15-0166 (R,R)-BenzP CH3 P SO3Na NO2 P-Ligands O Ir


O C


O


Ts Ph


N Ru N H Ph 44-0185 DENAB™ SO3Na Cl


T: +44 (0)1235 834466 E: contact@phosphonics.com W: www.phosphonics.com


xyl xyl H3CO CH3


Ru Cl


N N H2 H2


CH(CH3)2 H


OCH3


See web for bonus offer


OMe Cy 46-0264 from t-BuXPhos


Cl Cy


Pd N H H


Functionalised Silicas as Metal Scavengers: • Rapid solutions for unpredicted impurity removal problems.


• Quick turnaround from problem identification to remove the bottleneck.


• Recommendations of Scavenger Process for future scale-up campaigns.


• Range of Process scale options.


• Full product support and attractive economics right up to Commercial Process scale.


• Also available for organic impurities such as alkylating agents, amines, etc.


Delivering a clear advantage


catalogue available now


New


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