70905-69-0

Basic information

• Product Name: 2-trans-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate
• Synonyms: 2-trans-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate
• CAS NO: 70905-69-0
• Molecular Weight: 318.413
• Mol File: 70905-69-0.mol

Chemical Properties

• CAS DataBase Reference: 2-trans-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate(CAS DataBase Reference)
• NIST Chemistry Reference: 2-trans-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate(70905-69-0)
• EPA Substance Registry System: 2-trans-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate(70905-69-0)

Safety Data

• Hazardous Substances Data: 70905-69-0(Hazardous Substances Data)

Upstream product

• 70905-70-3 <1R,4S,5R-(E)>-4-(5-Acetoxy-3-methylpent-3-en-1-ynyl)-4-hydroxy-3,3,5-trimethylcyclohexyl acetate 
• 152187-03-6 <1R,4R,5R-(E)>-4-(5-Acetoxy-3-methylpent-3-en-1-ynyl)-4-hydroxy-3,3,5-trimethylcyclohexyl acetate 
• 20548-02-1 (4R,6R)-4-hydroxy-2,2,6-trimethylcyclohexan-1-one 
• 70905-68-9 (1S,4R,6R)-1-<(E)-5-hydroxy-3-methylpent-3-en-1-ynyl>-2,2,6-trimethylcyclohexane-1,4-diol 
• 152125-31-0 (4R,6R)-2,2,6-Trimethyl-4-trimethylsilanyloxy-cyclohexanone 
• 26533-75-5 (4R,6R)-1-((E)-5-Hydroxy-3-methyl-pent-3-en-1-ynyl)-2,2,6-trimethyl-cyclohexane-1,4-diol 

Downstream Products

• 98718-44-6 (R)-4-<(E)-5-hydroxy-3-methylpent-3-en-1-ynyl>-3,5,5-trimethylcyclohex-3-enol 
• 159171-18-3 2-E-5-((4'R)-4'-hydroxy-2',2',6'-trimethylcyclohex-1'-enyl)-3-methyl-2-penten-4-yn-1-al 
• 162302-59-2 (2E,4E,6E,8E,10E)-13-((R)-4-Hydroxy-2,6,6-trimethyl-cyclohex-1-enyl)-2,7,11-trimethyl-trideca-2,4,6,8,10-pentaen-12-ynal 

Relevant articles and documents

Carotenoids and related polyenes. Part 3. First total synthesis of fucoxanthin and halocynthiaxanthin using oxo-metallic catalyst

The first total synthesis of optically active fucoxanthin 1 and halocynthiaxanthin 2 had been accomplished via the 8-oxo compound 5, efficiently prepared by rearrangement of the α-acetylenic alcohol 10 using oxo-metallic catalyst and subsequent iodine-catalysed double-bond shift.

Total synthesis of acetylenic carotenoids-1. Synthesis of optically active 2-E-((4R)-4-hydroxy-2,6,6-trimethylcyclohex-1-enyl)-3-methyl-2 -penten-4-yn- 1-al, a C15-synthon

The title compound was synthesised in the optically active form in seven steps from (4R,6R)-actinol in 34% overall yield. The relative configuration within the C15-key intermediate acet-ylenic triol, 2-E-5-((1S,4R,6R)-1,4- dihydroxy-2,2,6-trime

Total synthesis of photosynthetic pigment fucoxanthin by use of oxo- metallic catalyst

The first total synthesis of optically active fucoxanthin 1 has been accomplished via the 8-oxo-compound 7, efficiently prepared by rearrangement of the α-acetylenic alcohol 2 using oxo-metallic catalyst and subsequent iodine catalyzed double bond-shift.

First Total Synthesis of (+/-)-Peridinin, (+/-)-Pyrrhoxanthin and the Optically Active Peridinin

The first total synthesis of peridinin 1 and pyrrhoxanthin 2 has been accomplished via the reaction of the C15-epoxy formyl ester 21 with the C22-allenic sulfone 28 or the C22-acetylenic sulfone 39.A synthesis of the optically active peridinin has also be

Method of producing coloring agents

A method of stereo-specifically synthesizing Zeaxanthin and alloxanthin, natural food coloring agents from 2,6,6-trimethyl-1,4-cyclohexanedione including intermediates in this synthesis.