PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 21359299-2 2011 These new primary-tertiary diamine-Bronsted acid conjugates bifunctional organocatalysts efficiently catalyzes the asymmetric direct syn selective cross-aldol reaction of different protected hydroxyacetone with various aldehydes in high yield (94%) and high enantioselectivity (up to 97% ee of syn) and dr of 91 : 9 (syn/anti) under mild reaction conditions. diamine-bronsted acid 27-48 synemin Homo sapiens 133-136 18215050-1 2008 We present herein simple primary-tertiary diamine-Bronsted acid conjugates that catalyze both syn- and anti-aldol reactions of dihydroxyacetones (DHAs) with high diastereoselectivities and enantioselectivities. diamine-bronsted acid 42-63 synemin Homo sapiens 94-97 21359299-2 2011 These new primary-tertiary diamine-Bronsted acid conjugates bifunctional organocatalysts efficiently catalyzes the asymmetric direct syn selective cross-aldol reaction of different protected hydroxyacetone with various aldehydes in high yield (94%) and high enantioselectivity (up to 97% ee of syn) and dr of 91 : 9 (syn/anti) under mild reaction conditions. diamine-bronsted acid 27-48 synemin Homo sapiens 294-297 21359299-2 2011 These new primary-tertiary diamine-Bronsted acid conjugates bifunctional organocatalysts efficiently catalyzes the asymmetric direct syn selective cross-aldol reaction of different protected hydroxyacetone with various aldehydes in high yield (94%) and high enantioselectivity (up to 97% ee of syn) and dr of 91 : 9 (syn/anti) under mild reaction conditions. diamine-bronsted acid 27-48 synemin Homo sapiens 294-297 20521772-2 2010 To achieve this end, chiral primary amines have been explored and the primary-tertiary diamine-Bronsted acid salts are found to promote the cross-aldol reactions of aldehydes with high activity and syn selectivity. diamine-bronsted acid 87-108 synemin Homo sapiens 198-201