53402-97-4

Upstream product

• 17974-57-1 (3E,5E,7E)-6-methyl-8-(2,6,6-trimethyl-1-cyclohexenyl)-3,5,7-octatriene-2-one 
• 3917-41-7 (2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal 
• 5560-99-6 (2X,4E)-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienal 
• 67-64-1 acetone 
• 929626-28-8 2-(4-bromo-3-methyl-buta-1,3-dienyl)-1,1,3-trimethylcyclohex-2-ene 
• 78-94-4 methyl vinyl ketone 
• 79-77-6 (E)-β-ionone 
• 10556-94-2 (3E)-4-methoxypent-3-en-2-one 
• 123-54-6 acetylacetone 
• 145572-41-4 1-bromo-4-(1,3-dioxolane)-2-yl-but-1-ene 
• 145572-35-6 5-bromopent-4-ene-2-one 
• 80283-33-6 6-hydroxy-6-methyl-1,3-(dioxolane)-2-yl-7-(2,6,6-trimethylcyclohex-1-en)-2-yl-octa-4,7-diene 
• 145572-34-5 1-bromo-4-trimethylsiloxy-penta-1,3-diene 
• 58526-71-9 (2E,4E,6E)-5-methyl-7-(2’,6’,6’-trimethylcyclohex-1’-en-1’-yl)-hepta-2,4,6-trienenal 

Downstream Products

• 1856-64-0 2-Cyan-Vitamin-A-saeure 
• 20638-88-4 retinonitrile 
• 94875-99-7 (4E,6E,8E)-7-Methyl-3-methylene-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-4,6,8-trienenitrile 
• 20638-88-4 3,7-Dimethyl-1-(2,6,6-trimethyl-cyclohexen-1-yl)-nonatetraen-1,3,5,7-saeure-9-nitril 
• 106140-78-7 9-cis,13-cis-20-nor-13-tert-butylretinal 
• 106140-78-7 13-cis-20-nor-13-tert-butylretinal 
• 106190-62-9 9-cis,13-cis-20-nor-13-ethylretinal 
• 88142-51-2 13-cis-20-nor-13-ethylretinal 
• 106140-77-6 methyl 20-nor-13-tert-butylretinoate 
• 106140-76-5 methyl 20-nor-13-ethylretinoate 
• 106140-75-4 methyl 20-nor-13,14-didehydroretinoate 
• 113729-95-6 (2E,4E,6E,8E)-3-tert-Butyl-7-methyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraen-1-ol 
• 106140-74-3 3-methyl-1-(2,6,6-trimethylcyclohexen-1-yl)-1,3,5-octatrien-7-yne 
• 99302-31-5 retinal 

Relevant academic research and scientific papers

Efficient generation of a trisporoid library by combination of synthesis and biotransformation

(Chemical Equation Presented) Trisporic acids and their biosynthetic precursors represent a family of powerful fungal pheromones and morphogenetic factors. A highly flexible synthetic protocol is described that (i) provides rapid access to nonfunctionaliz

Syntheses of new 9- and 13-methylene isomers of retinal

Syntheses of new 9- and 13-methylene isomers of retinal via the '9-methylene-C-18 ketone' 1 or 'C-18 ketone' 2 are reported. (C) 2000 Published by Elsevier Science Ltd.

Polyvinylogation Reagents: 1-Lithio-4-trimethylsiloxy-penta-1,3-diene and 1-Lithio-4-ethoxy-2-methyl-buta-1,3-diene

Title products, lithiodienol ethers 6a and 7a, synthetic equivalents of 4-lithio pent-3-ene-2-one and 4-lithio-senecialdehyde were obtained by bromine-lithium exchange.They are choice reagents for the transformations 1 -> 2 and 1 -> 3, respectively.

Synthesis of 8-, 9-, 12-, and 13-mono-13C-retinal

The 8-, 9-, 12-, and 13-mono-13C-retinals were synthesized with >98percent chemical purity and 93percent 13C incorporation from 13C-labelled acetonitrile.Their 13C-13C and 13C-1H nmr coupling constants were determined.

A CONVENIENT ROUTE TO α,β-UNSATURATED METHYL KETONES APPLICATION TO RETINAL ANALOGUE SYNTHESIS

Deprotonated ketimines 1a,b add to aldehydes and ketones to provide tri- and tetra-substituted α,β-unsaturated methyl ketones 2a,b with substantial percentage of Z-geometry which are not readily accessible by other methods.

PHOTOISOMERIZATION OF THE C18 KETONE IN THE VITAMIN A SERIES. SOLVENT EFFECT ON PHOTOISOMERIZATION OF COMPOUNDS RELATED TO RETINAL

The directions of photoisomerization of polyenals and polyenones are believed to be controlled by the relative ordering of n,?* and ?,?* states.