Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifl

Azeotropic nitration of benzene

Azepine indanyl and tetralin butyrophenones

Azepino[4,5-d]indole derivatives and preparation thereof

Azetidine derivatives

Azetidine derivatives

Azetidinone 4-disulfides

Azetidinone acetic acid derivatives and process for the preparat

Azetidinone acetic acid intermediates for 5-epi-penicillins

Azetidinone alcohol disulfides and process for cyclization

Azetidinone compounds and processes for preparation thereof

Azetidinone derivatives

Azetidinone derivatives and process for preparation thereof

Azetidinone derivatives and production thereof

Azetidinone intermediates for cephalosporin analogs

Azetidinone mercury sulfides and process therefor

Azetidinone sulfinic acids from cephalosporin sulfones

Azetidinone-4-carboxylate containing a protected 3-acetyl group

Azetidinone-4-disulfides as intermediates for thia-aza compounds

Azetidinones