Recyclable polyurea-microencapsulated Pd(0) nanoparticles: an efficient catalyst for hydrogenolysis of epoxides.

Recyclable polyurea-microencapsulated Pd(0) nanoparticles: an efficient catalyst for hydrogenolysis of epoxides.

Organic letters (2003-11-25)

Steven V Ley, Claire Mitchell, David Pears, Chandrashekar Ramarao, Jin-Quan Yu, Wuzong Zhou

ABSTRACT

[reaction: see text] Pd nanoparticles (approximately 2 nm in size) microencapsulated in polyurea is an efficient and recyclable catalyst for reductive ring-opening hydrogenolysis of epoxides, using either HCOOH/Et(3)N or H(2) as a hydrogen donor.

MATERIALS

Product Number

Brand

Product Description

644706

Sigma-Aldrich

Pd EnCat^® TPP30, extent of labeling: 0.4 mmol/g Pd loading, TPP 0.8, Pd 1.0

644722

Sigma-Aldrich

Pd EnCat^® 40, extent of labeling: 0.4 mmol/g Pd loading

644714

Sigma-Aldrich

Pd EnCat^® 30, extent of labeling: 0.4 mmol/g Pd loading

644692

Sigma-Aldrich

Pd EnCat^® TOTP30, extent of labeling: 0.4 mmol/g Pd loading, TOTP 0.5, Pd 1.0

653667

Sigma-Aldrich

Pd(0) EnCat^® 30NP, wet, nanoparticles, extent of labeling: 0.4 mmol/g Pd(0) loading (dry basis)