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4-Oxoazetidine-2-carbaldehydes as useful building blocks in stereocontrolled synthesis.

B. Alcaide, P. Almendros, Chem. Soc. Rev., 2001, 30, 226.

Key Words:
BETA-LACTAM ANTIBIOTICS; FORMAL TOTAL SYNTHESIS; ALPHA-AMINO ALDEHYDES; N-CARBOXY ANHYDRIDES; ASYMMETRIC-SYNTHESIS; 1,3-DIPOLAR CYCLOADDITION; STEREOSELECTIVE SYNTHESIS; REARRANGEMENT; CONDENSATION; SYSTEMS



Recent progress in the synthesis and reactivity of azetidine-2,3-diones. A review.

B. Alcaide, P. Almendros, Org. Prep. Proced. Int., 2001, 33, 317.

Key Words:
azetidinedione prepn reaction review



Recent advances in the stereocontrolled synthesis of bi- and tricyclic-beta-lactams with non-classical structure

B. Alcaide, P. Almendros, Curr. Org. Chem., 2002, 6, 245.

Key Words:
diels-alder reaction/radical cyclizations/alkene metathesis/stereoselective allylation/closing metathesis/olefin metathesis/organic-synthesis/rapid entry/antibiotics/2- azetidinones



The direct catalytic asymmetric aldol reaction

B. Alcaide, P. Almendros, Eur. J. Org. Chem., 2002, 1595.

Key Words:
aldol reaction/asymmetric synthesis/bifunctional activators/chemical catalyst/enantioselective catalysis/KETONES/ADDITIONS/ALDEHYDES/CYCLIZATION/COMPLEX



Selective bond cleavage of the beta-lactam nucleus: Application in stereocontrolled synthesis

B. Alcaide, P. Almendros, Synlett, 2002, 381.

Key Words:
beta-lactams/strain energy/selective bond cleavage/rearrangement reactions/stereocontrolled synthesis/ALPHA-AMINO-ACID/STEREOSELECTIVE SYNTHESIS/ASYMMETRIC-SYNTHESIS/N-(ARYLIDENE(OR ALKYLIDENE)AMINO)-2-AZETIDINONES/AZETIDINE RING/SYNTHON METHOD/VINYL ETHERS/REARRANGEMENT/FRAGMENTATION/AZETIDINE-2,3-DIONES



Reactions of group 6 metal carbene complexes with ylides and related dipolar species.

B. Alcaide, L. Casarrubios, G. Dominguez, M. A. Sierra, Curr. Org. Chem., 1998, 2, 551.

Key Words:
PHYSICAL ORGANIC-CHEMISTRY/CHROMIUM ALKOXYCARBENE COMPLEXES/TUNGSTEN PENTACARBONYL GROUPS/SELECTIVE MICHAEL ADDITION/X-RAY STRUCTURE/AQUEOUS ACETONITRILE/CYCLIZATION REACTIONS/PHOTOLYTIC REACTION/CYCLOPROPANATION REACTIONS/STEREOSELECTIVE SYNTHESIS



Heterocyclic Betaines: Pyridinium (Imidazolium) Azolate Inner Salts with Several Interannular Linkages.

E. Alcalde, Adv. Heterocycl. Chem., 1994, 60, 198.

Key Words:



E. Alcalde, I. Dinarès, N. Mesquida, L. Pérez-García, in Targets in Heterocyclic Systems-Chemistry and Properties (Eds.: O. A. Attanasi, D. Spinelli), Italian Chemical Society, Rome, Italy, 2000.

Key Words: