4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate

Base Information

Chemical Name:4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate
CAS No.:130284-45-6
Molecular Formula:C₂₁H₃₀O₆S
Molecular Weight:410.532
Hs Code.:

Synonyms:

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Chemical Property of 4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate

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Technology Process of 4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate

There total 11 articles about 4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 130284-42-3
2,5-dihydroxy-2-methyloct-7-yn-1-yl toluene-p-sulphonate

: 130284-45-6
4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate

Guidance literature:: Multi-step reaction with 5 steps

1: 95 percent / CH₂Cl₂ / 7 h

2: 1) BuLi / 1) THF, hexane, -78 deg C, 0.5 h, 2) THF, -78 deg C, 0.5 h

3: Amberlite IR 120 / Ambient temperature

4: H₂ / Lindlar catalyst / hexane; ethyl acetate / 1.5 h

5: pyridinium toluene-p-sulphonate / CH₂Cl₂ / 0.25 h / Ambient temperature

With n-butyllithium; Amberlite IR 120; hydrogen; pyridinium p-toluenesulfonate; Lindlar's catalyst; In hexane; dichloromethane; ethyl acetate;

Reference yield:

: 130284-40-1
5-tert-butyldiphenylsilyloxy-2-methyloct-7-yne-1,2-diol

: 130284-45-6
4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate

Guidance literature:: Multi-step reaction with 7 steps

1: 84 percent / pyridine / 22 h / Ambient temperature

2: 95 percent / 2percent aq. HF / acetonitrile / 24 h / Ambient temperature

3: 95 percent / CH₂Cl₂ / 7 h

4: 1) BuLi / 1) THF, hexane, -78 deg C, 0.5 h, 2) THF, -78 deg C, 0.5 h

5: Amberlite IR 120 / Ambient temperature

6: H₂ / Lindlar catalyst / hexane; ethyl acetate / 1.5 h

7: pyridinium toluene-p-sulphonate / CH₂Cl₂ / 0.25 h / Ambient temperature

With pyridine; n-butyllithium; Amberlite IR 120; hydrogen fluoride; hydrogen; pyridinium p-toluenesulfonate; Lindlar's catalyst; In hexane; dichloromethane; ethyl acetate; acetonitrile;

Reference yield:

: 130284-39-8
3-tert-butyldiphenylsilyloxy-1-(2,2,4-trimethyl-1,3-dioxolan-4-yl)hex-5-yne

: 130284-45-6
4-(1,7-dioxaspiro<5.5>undec-4-en-2-yl)-2-hydroxy-2-methylbutyl toluene-p-sulphonate

Guidance literature:: Multi-step reaction with 8 steps

1: 76 percent / Amberlite IR 120 / methanol / 36 h

2: 84 percent / pyridine / 22 h / Ambient temperature

3: 95 percent / 2percent aq. HF / acetonitrile / 24 h / Ambient temperature

4: 95 percent / CH₂Cl₂ / 7 h

5: 1) BuLi / 1) THF, hexane, -78 deg C, 0.5 h, 2) THF, -78 deg C, 0.5 h

6: Amberlite IR 120 / Ambient temperature

7: H₂ / Lindlar catalyst / hexane; ethyl acetate / 1.5 h

8: pyridinium toluene-p-sulphonate / CH₂Cl₂ / 0.25 h / Ambient temperature

With pyridine; n-butyllithium; Amberlite IR 120; hydrogen fluoride; hydrogen; pyridinium p-toluenesulfonate; Lindlar's catalyst; In methanol; hexane; dichloromethane; ethyl acetate; acetonitrile;