Inventor

BARTON DEREK H R

FR33 patents

⚠️ This page may combine multiple inventors who share the name “BARTON DEREK H R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BARTON DEREK H R

RES INST MEDICINE CHEM

Chemical process for fluorinating a tertiary carbon atom in the steroid nucleus

Chemical compounds and process

Hydrogenation process for the preparation of 5,6 cis- and 5,6-trans-10,19-dihydro-vitamin D compounds using transistion metal catalysts

5(3-Substituted aminopropyl)-10-trifluoromethoxy-5H-dibenz[b,f]azepines

Preparation of N,N-difluoroamines

Chemical process for preparing Δ9(11) dehydrosteroids

FRITZSCHE DODGE & OLCOTT INC

Spirodienones and spirocyclic ketones

Process for preparing β-(3-exo-hydroxy-endo-2,3-dimethyl-2-norbornyl)-propionic acid .delta.

Process for the production of spirodienones and spirocyclic ketones

Processes for preparing β-santalol, β-santalene dihydro-β-santalol and related compounds

Process for the manufacture of 3,6-dialkyl resorcylic acid esters

POLAROID CORP

Optical filter agents and photographic products and processes containing same

Optical filter agents and photographic products and processes containing same

Polymeric pH-sensitive optical filter agents having hydrazone moieties attached thereto

Polymeric optical filter agents and photographic products and processes containing same

ROUSSEL UCLAF

Novel 23-dihydro-oxazolyl steroids

Compositions and method

Dehydrogenation agents based on derivatives of selenium and their use in the dehydrogenation in the 1,4 positions of steroids

20-Isocyano-Δ17(20) -steroids

SCHERING CORP

Process for the stereospecific synthesis of azetidinones

Process for deoxygenating secondary alcohols

CENTRE NAT RECH SCIENT

Highly sterically hindered guanidines and process for the production thereof

Photolytic process for the formation of carbon-containing free radicals and its applications to free radical polymerization in particular

QUEST INT

Preparation of ambrox

Production of (-)dodecahydro-3a,6,6,9a-tetramethyl-naphtho[2,1-b] furan

BARTON DEREK H R

Chemical processes

Oxidation process using tellurium oxide catalysts

GLAXO LAB LTD

Alkylative cleavage of azetidinone disulfides

Chemical compounds

HESSE ROBERT H

1-α-hydroxy vitamin D compounds and process for preparing same

OLIN CORP

3,5-diphenyl or substituted 3,5-diphenyl-1-hydroxy-1,2-dihydroimidazole-2-thiones

(unassigned)

Co-oxidation of H2 S and saturated hydrocarbons

MONTEDISON SPA

Herbicides