3 article(s) from Gunta, Rama
Graphical Abstract
Figure 1: Retrosynthetic approach to propellane derivatives.
Scheme 1: Synthesis of the propellane derivative 1a via RCM.
Scheme 2: Garratts work on alkylation of norbornene with retention of configuration.
Figure 2: The molecular structure of 1a, with displacement ellipsoids drawn at the 50% probability level.
Scheme 3: Control experiment carried out to probe the configuration of 2a.
Figure 3: Crystal structure of compound 15 showing 50% displacement ellipsoids.
Scheme 4: RCM of the compound 2aa'.
Scheme 5: RCM approach to the propellane derivative 1b.
Figure 4: The molecular structures of the compounds 2b (left) and 1b (right) showing 30% displacement ellipso...
Scheme 6: Construction of the propellane derivative 1bb' using RCM.
Graphical Abstract
Figure 1: RRM route to propellane derivatives and oxa-bowls.
Scheme 1: Synthesis of the oxa-bowl 1a via RRM.
Scheme 2: Synthesis of RRM products 1b and 5a starting from DA adduct 3b.
Scheme 3: Synthesis of the hexacyclic compound 1c using RRM.
Scheme 4: Synthesis of the propellane/oxa-bowl hybrids 7a,b via RRM.
Graphical Abstract
Figure 1: Retrosynthetic approach to polycyclic sulfones.
Scheme 1: Preparation of the sulfone 6 via oxidation.
Scheme 2: Synthesis of alkenylated sulfone derivatives.
Scheme 3: Synthesis of 10 by RRM of 2a.
Scheme 4: Synthesis of 1b using RRM.
Scheme 5: RRM of the dipentenyl sulfone 2c.
Scheme 6: RRM of the dihexenyl sulfone 2d.