65118-74-3

Basic information

• Product Name: 5β-Acetoxy-2,2a,4aα,5,6,7,7aα,8,10bβ,10c-decahydro-2aβ,7α,10,10cβ-tetramethylnaphtho[2,1,8-cde]azulene-3(4H)-one
• Synonyms: (2aS)-5β-Acetoxy-2a,7α,10,10cβ-tetramethyl-2,4,4aα,5,6,7,7aα,8,10bβ,10c-decahydronaphth[2,1,8-cde]azulen-3(2aH)-one;5β-Acetoxy-2,2a,4aα,5,6,7,7aα,8,10bβ,10c-decahydro-2aβ,7α,10,10cβ-tetramethylnaphtho[2,1,8-cde]azulene-3(4H)-one;Kempene-2
• CAS NO: 65118-74-3
• Molecular Formula: C22H30O3
• Molecular Weight: 342.4718
• Mol File: 65118-74-3.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 5β-Acetoxy-2,2a,4aα,5,6,7,7aα,8,10bβ,10c-decahydro-2aβ,7α,10,10cβ-tetramethylnaphtho[2,1,8-cde]azulene-3(4H)-one(CAS DataBase Reference)
• NIST Chemistry Reference: 5β-Acetoxy-2,2a,4aα,5,6,7,7aα,8,10bβ,10c-decahydro-2aβ,7α,10,10cβ-tetramethylnaphtho[2,1,8-cde]azulene-3(4H)-one(65118-74-3)
• EPA Substance Registry System: 5β-Acetoxy-2,2a,4aα,5,6,7,7aα,8,10bβ,10c-decahydro-2aβ,7α,10,10cβ-tetramethylnaphtho[2,1,8-cde]azulene-3(4H)-one(65118-74-3)

Safety Data

• Hazardous Substances Data: 65118-74-3(Hazardous Substances Data)

Upstream product

• 135041-61-1 Acetic acid (3aR,5aS,6R,8R,9S,9aS,9bR)-1-acetyl-3a,8,9a-trimethyl-4-oxo-9-(2-oxo-ethyl)-3a,4,5,5a,6,7,8,9,9a,9b-decahydro-3H-cyclopenta[a]naphthalen-6-yl ester 
• 527-61-7 2,6-dimethyl-1,4-benzoquinone 
• 105018-93-7 (2R,4R,4aS,8aS)-4-Hydroxy-2,7,8a-trimethyl-3,4,4a,5,8,8a-hexahydro-2H-naphthalen-1-one 
• 135041-50-8 (2R,4aS,8aS)-2,7,8a-Trimethyl-2,3,4a,5,8,8a-hexahydro-[1,4]naphthoquinone 
• 135041-51-9 (2R,4R,4aS,8aS)-4-Benzyloxy-2,7,8a-trimethyl-3,4,4a,5,8,8a-hexahydro-2H-naphthalen-1-one 
• 135041-53-1 (1S,2R,4R,4aS,8aR)-4-Benzyloxy-2,7,8a-trimethyl-1-vinyl-1,2,3,4,4a,5,8,8a-octahydro-naphthalene 
• 135041-52-0 (1S,2R,4R,4aS,8aS)-4-Benzyloxy-2,7,8a-trimethyl-1,2,3,4,4a,5,8,8a-octahydro-naphthalene-1-carbaldehyde 
• 135073-67-5 C₂₀H₂₈O₃ 
• 135041-59-7 (1R,3R,4S,4aS,4bR,8aR,10aS)-1,6,7-Trihydroxy-4-(2-hydroxy-ethyl)-3,4a,6,8a-tetramethyl-dodecahydro-phenanthren-9-one 
• 135041-60-0 [(1R,2R,4aS,5R,7R,8S,8aS)-5-Hydroxy-8-(2-hydroxy-ethyl)-2,7,8a-trimethyl-3-oxo-1-(2-oxo-propyl)-decahydro-naphthalen-2-yl]-acetaldehyde 
• 135041-54-2 (1S,2R,4R,4aS,8aR)-4-Benzyloxy-1-(2-benzyloxy-ethyl)-2,7,8a-trimethyl-1,2,3,4,4a,5,8,8a-octahydro-naphthalene 
• 135041-55-3 (4aR,5S,6R,8R,8aS)-8-Benzyloxy-5-(2-benzyloxy-ethyl)-3,4a,6-trimethyl-octahydro-naphthalen-2-one 
• 135041-56-4 (4aS,5S,6R,8R,8aS)-8-Benzyloxy-5-(2-benzyloxy-ethyl)-3,4a,6-trimethyl-4a,5,6,7,8,8a-hexahydro-1H-naphthalen-2-one 
• 135041-57-5 (4aS,5S,6R,8R,8aS)-8-Benzyloxy-5-(2-benzyloxy-ethyl)-1-bromo-3,4a,6-trimethyl-4a,5,6,7,8,8a-hexahydro-1H-naphthalen-2-one 

Relevant articles and documents

Enantioselective total synthesis of the diterpenes kempene-2, kempene-1, and 3-epi-kempene-1 from the defense secretion of higher termites

(Chemical Equation Presented) Two rings in one sweep: A domino metathesis of the bicyclic dienyne 4 (TBS=tertbutyldimethylsilyl) obtained from a catalytic enantioselective Diels-Alder reaction as the key process enabled the efficient preparation of the tetracyclic diterpenes kempene-2 (1), kempene-1 (2), and 3-epi-kempene-1 (3).