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E. M. E. Mansour

University of Massachusetts Amherst

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Featured researches published by E. M. E. Mansour.

Tetrahedron Letters | 1993

The 2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl group (Pbf) as arginine side chain protectant☆

Louis A. Carpino; Hitesh Shroff; Salvatore A. Triolo; E. M. E. Mansour; Holger Wenschuh; Fernando Albericio

Abstract The 2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl residue (Pbf) is more easily deblocked by trifluoroacetic acid (TFA) than the corresponding Pmc analog and can be used efficiently in the synthesis of arginine-containing peptides.

Journal of Organic Chemistry | 1991

tert-Butyloxycarbonyl and benzyloxycarbonyl amino acid fluorides. New, stable rapid-acting acylating agents for peptide synthesis

Louis A. Carpino; E. M. E. Mansour; Dean Sadat-Aalaee

Journal of Organic Chemistry | 1999

The 1,1-Dioxobenzo[b]thiophene-2-ylmethyloxycarbonyl (Bsmoc)† Amino-Protecting Group

Louis A. Carpino; Mohamed A. Ismail; George A. Truran; E. M. E. Mansour; Shin Iguchi; Dumitru Ionescu; Ayman El-Faham; Christoph Riemer; Ralf Warrass

Journal of Organic Chemistry | 1983

Polystyrene-based deblocking-scavenging agents for the 9-fluorenylmethyloxycarbonyl amino-protecting group

Louis A. Carpino; E. M. E. Mansour; Cheng Cheng; James R. Williams; Russell MacDonald; Jerome W. Knapczyk; Mark Carman; Andrzej Lopusinski

Organic Process Research & Development | 2003

Rapid, Continuous Solution-Phase Peptide Synthesis: Application to Peptides of Pharmaceutical Interest†

Louis A. Carpino; Shahnaz Ghassemi; Dumitru Ionescu; Mohamed A. Ismail; Dean Sadat-Aalaee; George A. Truran; E. M. E. Mansour; Gary A. Siwruk; and John S. Eynon; Barry A. Morgan

Journal of Organic Chemistry | 1983

Piperazino-functionalized silica gel as a deblocking-scavenging agent for the 9-fluorenylmethyloxycarbonyl amino-protecting group

Louis A. Carpino; E. M. E. Mansour; Jerome W. Knapczyk

Journal of the American Chemical Society | 1997

New Family of Base- and Nucleophile-Sensitive Amino-Protecting Groups. A Michael-Acceptor-Based Deblocking Process. Practical Utilization of the 1,1-Dioxobenzo[b]thiophene-2-ylmethyloxycarbonyl (Bsmoc)† Group

Louis A. Carpino; Michael Philbin; Mohamed A. Ismail; George A. Truran; E. M. E. Mansour; Shin Iguchi; Dumitru Ionescu; Ayman El-Faham; Christoph Riemer; Ralf Warrass; Manfred S. Weiss

Journal of Organic Chemistry | 1995

NOVEL CARBOXYLIC ACID AND CARBOXAMIDE PROTECTIVE GROUPS BASED ON THE EXCEPTIONAL STABILIZATION OF THE CYCLOPROPYLMETHYL CATION

Louis A. Carpino; Hann Guang Chao; Shahnaz Ghassemi; E. M. E. Mansour; Christoph Riemer; Ralf Warrass; Dean Sadat-Aalaee; George A. Truran; Hideko Imazumi; Holger Wenschuh; Michael Beyermann; Michael Bienert; Hitesh Shroff; Fernando Albericio; Salvatore A. Triolo; Nuria A. Solé; Steven A. Kates

Journal of Organic Chemistry | 1999