Methods for making linear internal olefins from mixtures of linear and branched olefins
US-2024051900-A1 · Feb 15, 2024 · US
Process for the production of beta-springene
US11136277B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11136277-B2 |
| Application number | US-201816645589-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 13, 2018 |
| Priority date | Sep 22, 2017 |
| Publication date | Oct 5, 2021 |
| Grant date | Oct 5, 2021 |
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- Title
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Abstract
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The present invention relates to a process for the production of β-springene of formula (I) wherein a compound of formula (II) is heated in the presence of a catalyst.
First claim
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The invention claimed is: 1. A process to produce a compound of formula (I): wherein the process comprises heating a compound of formula (II) at a temperature of 30° C.-80° C.: in the presence of a catalyst and in the presence of dimethyl sulfoxide (DMSO) to thereby form the compound of formula (I), and wherein the catalyst is selected from the group consisting of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU), Tröger base (2,8-Dimethyl-6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine), 1,4-Diazabicyclo[2.2.2]octane (DABCO), Pd(PPh 3 ) 4 , Ni(PPh 3 ) 4 , Pt(PoTol 3 ) 4 , Pt(PPh 3 ) 4 , Ni(PoTol 3 ) 4 , Pd(PoTol 3 ) 4 , Pd(Palkyl 3 ) 4 , Ni(Palkyl 3 ) 4 , Pd(Palkyl 3 ) 4 , Ni(OPPh 3 ) 4 , Pd(OPPh 3 ) 4 , and Pt(OPPh 3 ) 4 , wherein alkyl is a linear or branched C 1 -C 6 -alkyl. 2. The process according to claim 1 , wherein the process is carried out under an inert gas atmosphere.
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containing organic compounds or metal hydrides · CPC title
- C07C1/213Primary
by splitting of esters · CPC title
Phosphines · CPC title
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- What does patent US11136277B2 cover?
- The present invention relates to a process for the production of β-springene of formula (I) wherein a compound of formula (II) is heated in the presence of a catalyst.
- Who is the assignee on this patent?
- Dsm Ip Assets Bv
- What technology area does this patent fall under?
- Primary CPC classification C07C1/213. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Oct 05 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).