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

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-r-2,c-8,c-14,t-20-tetraone
• CAS No.: 351345-69-2
• Molecular Formula: C₆₈H₇₂O₈S₄
• Molecular Weight: 1145.58

Synonyms: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

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-r-2,c-8,c-14,t-20-tetraone

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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-r-2,c-8,c-14,t-20-tetraone

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-r-2,c-8,c-14,t-20-tetraone 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: 46.0%

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) → 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-r-2,c-8,c-14,t-20-tetraone (351345-69-2)

Guidance literature:

With sodium perborate; In chloroform; acetic acid; at 50 ℃; for 24h;

DOI:10.1021/jo026801x

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-r-2,c-8,c-14,t-20-tetraone (351345-69-2)

Guidance literature:

Multi-step reaction with 2 steps

1: NaH / tetrahydrofuran; dimethylformamide / 2 h / Heating

2: 46 percent / NaBO₃*4H₂O / CHCl₃; acetic acid / 24 h / 50 °C

With sodium perborate; sodium hydride; In tetrahydrofuran; chloroform; acetic acid; N,N-dimethyl-formamide;

DOI:10.1021/jo026801x

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-r-2,c-8,c-14,t-20-tetraone (351345-69-2)

Guidance literature:

Multi-step reaction with 2 steps

1: NaH / tetrahydrofuran; dimethylformamide / 2 h / Heating

2: 46 percent / NaBO₃*4H₂O / CHCl₃; acetic acid / 24 h / 50 °C

With sodium perborate; sodium hydride; In tetrahydrofuran; chloroform; acetic acid; N,N-dimethyl-formamide;

DOI:10.1021/jo026801x

upstream 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

benzyl bromide

tert-butylthiacalix[4]arene

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