25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.1^3,7.1^9,13.1^15,19]octacosa-1⁽²⁵⁾,3,5,7⁽²⁸⁾,9,11,13⁽²⁷⁾,15,17,19⁽²⁶⁾,21,23-dodecaene

Base Information

• Chemical Name: 25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.1^3,7.1^9,13.1^15,19]octacosa-1⁽²⁵⁾,3,5,7⁽²⁸⁾,9,11,13⁽²⁷⁾,15,17,19⁽²⁶⁾,21,23-dodecaene
• CAS No.: 281192-21-0
• Molecular Formula: C₆₈H₇₂O₄S₄
• Molecular Weight: 1081.58

Synonyms:

Chemical Property of 25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.1^3,7.1^9,13.1^15,19]octacosa-1⁽²⁵⁾,3,5,7⁽²⁸⁾,9,11,13⁽²⁷⁾,15,17,19⁽²⁶⁾,21,23-dodecaene

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Technology Process of 25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.1^3,7.1^9,13.1^15,19]octacosa-1⁽²⁵⁾,3,5,7⁽²⁸⁾,9,11,13⁽²⁷⁾,15,17,19⁽²⁶⁾,21,23-dodecaene

There total 3 articles about 25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.1^3,7.1^9,13.1^15,19]octacosa-1⁽²⁵⁾,3,5,7⁽²⁸⁾,9,11,13⁽²⁷⁾,15,17,19⁽²⁶⁾,21,23-dodecaene 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:

benzyl bromide (100-39-0) + 26,27,28-tribenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaen-25-ol → 25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene (281192-21-0,281192-22-1,281192-23-2,351228-09-6)

Guidance literature:

With caesium carbonate; In acetone; for 2h; Reflux;

Reference yield:

tert-butylthiacalix[4]arene (182496-55-5) → 25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene (281192-21-0,281192-22-1,281192-23-2,351228-09-6)

Guidance literature:

Multi-step reaction with 3 steps

1.1: sodium carbonate / acetone / 48 h / 50 °C

2.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 20 °C

2.2: 5 h / 5 °C

3.1: caesium carbonate / acetone / 2 h / Reflux

With sodium hydride; sodium carbonate; caesium carbonate; In N,N-dimethyl-formamide; acetone;

Reference yield:

benzyl bromide (100-39-0) → 25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene (281192-21-0,281192-22-1,281192-23-2,351228-09-6)

Guidance literature:

Multi-step reaction with 3 steps

1.1: sodium carbonate / acetone / 48 h / 50 °C

2.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 20 °C

2.2: 5 h / 5 °C

3.1: caesium carbonate / acetone / 2 h / Reflux

With sodium hydride; sodium carbonate; caesium carbonate; In N,N-dimethyl-formamide; acetone;

upstream raw materials:

tert-butylthiacalix[4]arene

benzyl bromide

Downstream raw materials:

25,26,27,28-tetrabenzyloxy-5,11,17,23-tetra-tert-butyl-2,8,14,20-tetrathiapentacyclo[19.3.1.1^3,7.1^9,13.1^15,19]octacosa-1⁽²⁵⁾,3,5,7⁽²⁸⁾,9,11,13⁽²⁷⁾,15,17,19⁽²⁶⁾,21,23-dodecaene-r-2,c-8,c-14,t-20-tetraone

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